Fundraising Fox

Y Combinator β€” Full Portfolio

6,217 tracked investments Β· page 24 of 32 Β· listed companies and verified rows first

Redcliffe Lifetechredcliffelabs.comin𝕏

Redcliffe Labs is a diagnostic laboratory platform in India offering at-home and lab-based health tests with personalized health packages, AI-powered report analysis, expert consultations, and genomic testing services.

Digital HealthHealthtechMedical DevicesDelhi, IN

Dheeraj Jain(Founder)inAditya Kandoi(Founder)in

Redouble AIredouble.aiin𝕏

Redouble provides infrastructure for deploying autonomous AI agents at scale, offering an alternative to sandbox-based agent runtimes.

AI & Machine LearningCloud ComputingEnterprise SoftwareSaaSNew York City, US

Martin Bittner(Founder/CEO)inAndrey Santrosyan(Founder)in

Redspreadredspread.comin𝕏

Redspread provides a deployment tool that allows teams to move containerized applications to Kubernetes clusters via command line.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Mackenzie Burnett(Founder/CEO)inDan Gillespie(Founder/CTO)in

Reduced Energy Microsystemsremicro.comin𝕏

Reduced Energy Microsystems designs silicon chips optimized for low power consumption that enable embedded computer vision and neural network inference on devices such as augmented reality systems, wearable cameras, and autonomous robots.

Advanced ManufacturingAI & Machine LearningHardwareRoboticsSan Francisco, US

eleazar .(Founder/Head of Software)inDylan Hand(Founder/Lead Hardware Engineer)inWilliam Koven(Founder)in

Reductoreducto.aiin𝕏

Reducto provides document processing APIs that parse, classify, extract, and edit data from documents at enterprise scale.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Adit Abraham(Founder)inRaunak Chowdhuri(Founder)in

Reebeereebee.comin𝕏

Flipp is a mobile shopping platform that aggregates weekly digital flyers from retail stores and provides coupon clipping and shopping list features to help consumers find and save on groceries and household items.

B2B MarketplacesConsumerRetail TechKitchener, CA

Tobiasz Dankiewicz(Founder)inMichal Martyniak(Founder)

Reebeezreebeez.coin𝕏

Reebeez manufactures thermal and photovoltaic microengines for small unmanned aircraft that convert combustible fuel into electricity to power flight, offering longer endurance and higher payload capacity than battery systems.

Advanced ManufacturingRoboticsAustin, US

Ankita Ghoshal(Founder)inPrianka Ghoshal(Founder)in

Reelablesreelables.comin𝕏

Reelables produces smart labels with Bluetooth and cellular connectivity that provide real-time tracking and visibility for shipments, cargo, and inventory across supply chains.

Enterprise SoftwareIoTLogistics & Supply ChainSaaSLondon, GB

David Stanton(Founder)Brian Krejcarek(Founder)in

ReelSurferreelsurfer.comin𝕏

A platform that enables users to extract, save, and distribute short video clips from any website, facilitating a network where individuals curate and exchange relevant content with their peers.

ConsumerSocialSan Francisco, US

Neil Joglekar(Founder)inChristian Yang(Founder)in

Refactorrefactor.coin𝕏

Refactor builds AI agents that automate operations for large organizations in retail, healthcare, and logistics, enabling tasks like catalog management, customer service, and account management within legacy software systems.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Arnav Joshi(Founder)in

RefineTrain AIrefinetrain.aiin𝕏

RefineTrain AI provides a service that processes internal company documentation using AI agents to resolve inconsistencies, clarify ambiguous terminology, and add contextual information, making the knowledge base more suitable for use with large language models and retrieval systems.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Reflectreflect.runin𝕏

Reflect is an AI-powered, no-code testing platform that allows developers and testers to write automated tests for web applications faster.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSVillanova, US

Fitz Nowlan(Founder)inTodd McNeal(Founder)in

Reflexreflex.devin𝕏

Reflex is a platform for building and deploying enterprise applications in Python, combining framework, infrastructure, and data connectivity in a single unified system.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSector AgnosticSan Francisco, US

Nikhil Rao(Founder)inAlek Petuskey(Founder)in

Reforged Labsreforgedlabs.comin𝕏

Reforged Labs provides AI-powered solutions for user acquisition and creative experimentation for mobile apps and games.

AdTechAI & Machine LearningEnterprise SoftwareGamingMarketing TechSan Francisco, US

Robert Huynh(Founder)inOscar Xing Luo(Cofounder)

Reformreformhq.comin𝕏

Reform provides an AI-powered platform that automates document extraction, customs compliance, and other freight operations tasks.

AI & Machine LearningEnterprise SoftwareLogistics & Supply ChainSaaSSan Francisco, US

Omar Abuhashish(Co-Founder, CEO)inPradhit Gosula(Founder)in

Reframejoinreframeapp.comin𝕏

Reframe is a digital habit-change program that helps users reduce or eliminate alcohol consumption through science-based methods.

ConsumerDigital HealthHealthtechMental HealthWellness & FitnessAtlanta, US

Vedant Pradeep(Founder)inZiyi Gao(Founder)in

Reframeusereframe.aiin𝕏

Reframe operates a marketplace where hardware teams source both commercial off-the-shelf and custom manufactured components, leveraging relationships with suppliers experienced in producing parts for established consumer hardware products and using AI agents to automate the procurement process.

Developer ToolsEnterprise SoftwareSan Francisco, US

Bryan Zin(Founder)in

Refreshrefresh.devin𝕏

Refresh builds simulation environments and evaluation benchmarks for frontier AI labs to measure and improve model capabilities.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Christopher Settles(Founder)inErik Quintanilla(Founder)in

Regbaseregbase.comin𝕏

Regbase provides regulatory monitoring and compliance tracking for lawyers, compliance officers, and business teams across employment law, AI governance, healthcare, privacy, government procurement, climate, private equity, and regulated industries.

Enterprise SoftwareLegalTechSan Francisco, US

Natalie Aresta-Katz(Founder)inEthan Shea(Founder)in

REGENTregentcraft.comin𝕏

REGENT designs and manufactures Seaglider wing-in-ground-effect aircraft for regional coastal transportation and defense logistics, offering high-speed zero-emission travel between coastal cities and military applications.

Advanced ManufacturingCleantechClimate TechDefense TechHardwareMobility & TransportationSpace TechNorth Kingstown, US

Billy Thalheimer(Founder)inMichael Klinker(Founder)in

RegistryLoveregistrylove.comin𝕏

RegistryLove provides a centralized platform where couples can compile wedding gift registries across both large retailers and independent stores, allowing them to gather items and experiences from multiple sources in one place.

ConsumerE-commerceSan Francisco, US

Marika Chen(Founder)in

Regologyregology.comin𝕏

Regology provides software that automates the identification of regulations applicable to financial products and functions.

AI & Machine LearningEnterprise SoftwareFintechLegalTechSan Francisco, US

Mukund Goenka(Founder/CEO)inPavan Bayyapu(Founder/CTO)inPaul Bruin(Co-founder)in

BoardHany Nada(Director)

Rehook.airehook.aiin𝕏

Rehook.ai provides a platform for running and managing user incentive campaigns across referrals, loyalty programs, rewards, and promotional mechanics.

Enterprise SoftwareMarketing TechSaaSBengaluru, IN

Akhil Suhag(Founder)inMukul Anand(Founder)inTushar Dhara(Founder)inAkshay Suhag(Founder)in

ReJotrejot.devin𝕏

ReJot is an open-source software development platform or toolkit.

Developer ToolsEnterprise SoftwareAmsterdam, NL

Wilco Kruijer(Founder)inJan Schutte(CTO / Co-Founder)in

Rejoy Healthrejoyhealth.comin𝕏

Rejoy Health builds AI-powered tools for healthcare providers including clinical documentation, patient communication, and diagnostic support.

AI & Machine LearningDigital HealthHealthtechSan Francisco, US

Rituraj .(Founder)inRitu Ranjna(Founder)in

Rejuvenation Technologies Inc.rejuvenationtech.comin𝕏

Rejuvenation develops proprietary mRNA and lipid nanoparticle technology to safely lengthen telomeres in human cells, targeting cellular aging and diseases caused by short telomeres including pulmonary fibrosis, liver disease, and bone marrow failure.

BiotechDeep TechHealthtechLongevitySan Francisco, US

Glenn Markov(Founder)inJohn Ramunas(Founder)in

rekursiv.airekursiv.aiin𝕏

Rekursiv.ai builds autonomous AI research teams that conduct experiments and generate scientific discoveries without human direction.

AI & Machine LearningEnterprise SoftwareFuture of WorkSan Francisco, US

Joshua Dillon(Founder)inDan Kondratyuk(Founder)in

Relacerelace.aiin𝕏

Relace builds specialized small language models and infrastructure for coding tasks including retrieval, merging, and code generation, serving software development teams looking to accelerate development and reduce errors in engineering workflows.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Preston Zhou(Founder)Eitan Borgnia(Founder)in

Relationship Herorelationshiphero.comin𝕏

Relationship Hero is a platform that connects users with professional relationship coaches who provide advice on relationship challenges and personal matters.

ConsumerDigital HealthSocialSaratoga Springs, US

Liron Shapira(Founder/CEO)in

Relativity Spacerelativityspace.comin𝕏

Relativity Space develops Terran R, a reusable medium-to-heavy-lift rocket designed for efficiency and scalability, serving government entities, telecommunications companies, and commercial customers for space access missions.

Advanced ManufacturingAI & Machine LearningDeep TechDefense TechHardwareSpace TechLos Angeles, US

Tim Ellis(Founder/CEO)inEric Schmidt(CEO)Jordan Noone(Executive Officer, Director, Promoter)

Relay Healthjoinrelay.appin𝕏

Relay is a group-based support program designed to help individuals address pornography and unwanted sexual behaviors through daily encouragement, accountability, and community support.

HealthtechMental HealthWellness & FitnessSalt Lake City, US

Chandler Rogers(Founder)inJace Kendrick(Founder)in

Releaf Earthreleaf.africain𝕏

Releaf builds climate-resilient agriculture solutions for smallholder farmers in Africa through supply chain, agronomic expertise, and hardware-software integration.

Advanced ManufacturingAgTechCircular EconomyClimate TechImpact & Social GoodLagos, NG

Kenna Nzewi(Founder/CEO)inUzoma Ayogu(Founder/CTO)in

Releaserelease.comin𝕏

Release creates isolated staging environments for each pull request, allowing engineering teams to test code changes in parallel rather than sharing a single shared staging instance.

Developer ToolsEnterprise SoftwareSaaSLos Angeles, US

David Giffin(Founder)inErik Landerholm(Founder)inTommy McClung(Founder)in

Relevium Medicalrelevium-medical.comin𝕏

Relevium Medical is a biopharmaceutical company developing long-lasting treatments for chronic pain conditions, particularly osteoarthritis.

BiotechHealthtechMedical DevicesGalway, IE

Alison Liddy(Founder)inMartin O'Halloran(Scientific Advisor & Co-Founder)in

Reliance Healthgetreliancehealth.comin𝕏

Reliance Health provides healthcare services combining medical expertise with technology for individuals and corporate customers in growing economies.

Digital HealthHealthtechInsurTechLagos, NG

Femi Kuti(Founder/CEO)inMatthew Mayaki(Founder/Senior Vice President Product)in

Rellingrelling.coin𝕏

Relling deploys intelligent robots to perform high-mix manufacturing tasks on production lines.

Advanced ManufacturingAI & Machine LearningData & InfrastructureEnterprise SoftwareRoboticsSan Francisco, US

Jai Relan(Founder)inAnya Singh(Founder)in

Relvy AIrelvy.aiin𝕏

Relvy provides AI-assisted debugging tools that help software engineers investigate system incidents and identify root causes, with automatic analysis for many alerts and manual guidance options when needed.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Bharath Bhat(Founder)inSimranjit Singh(Founder)in

Remaderemade.aiin𝕏

Remade is a creative workspace application that combines generative AI models for image and video editing, allowing users to generate, inpaint, upscale, and expand visual content while collaborating with team members.

AI & Machine LearningConsumerCreator EconomyMarketing TechMedia & EntertainmentSaaSSan Francisco, US

Alex Matthews(Founder)inChristos Antonopoulos(Founder)inBlendi Bylygbashi(Founder)inRehan Sheikh(Founder)in

reMailremail.comin𝕏

A mobile email application that stores email locally on iPhones and provides full-text search across messages.

Enterprise SoftwareFuture of WorkCA, US

Gabor Cselle(Founder)inEinar Vollset(Founder)in

Remedial Healthremedial.healthin𝕏

Remedial Health provides a software platform for pharmaceutical procurement, inventory management, and financing to healthcare providers and small businesses in Africa.

E-commerceEnterprise SoftwareFintechHealthtechSaaSLagos, NG

Samuel Okwuada(Founder)inVictor Benjamin(Founder)

Remiremihq.comin𝕏

Remi operates a marketplace connecting roofing contractors with homeowners who need roof repairs or replacement.

Climate TechPropTechSaaSLehi, US

Doug Barnett(Founder)inBrant Choate(Founder)in

Remixremix.comin𝕏

Remix is a platform for public transit agencies to plan, schedule, and visualize transit systems in real-time.

GovTechLogistics & Supply ChainSaaSSan Francisco, US

Tiffany Chu(CEO & Cofounder)inSam Hashemi(Founder/CEO)inDaniel Getelman(Founder/CTO)inDanny Whalen(Founder)in

Remixremix.rein𝕏

Remix is a mobile app that allows users to remix videos by pasting video links, adding photos, and instructing the app to make edits.

ConsumerCreator EconomySan Francisco, US

Sam Kaplan(Founder)in

Remoraremoracarbon.comin𝕏

Remora Carbon provides strategic advisory services to transportation, logistics, infrastructure, and geospatial sectors, with focus on transformational technologies.

Advanced ManufacturingCleantechClimate TechEnterprise SoftwareLogistics & Supply ChainDetroit, US

Paul Gross(Founder and CEO)inDean Wise(Founder)

Remystartremy.comin𝕏

Remy provides automation software that handles insurance administration tasks for medical practices, including benefit verification calls and claims status inquiries.

AI & Machine LearningHealthtechSan Francisco, US

Sten SjΓΆberg(Founder)inKevin Kim(Founder)in

Rendalo Maqrendalomaq.comin𝕏

RendaloMaq operates a digital platform for renting construction and mining equipment across Latin America.

Construction TechPropTechSantiago, CL

Ariel Vaisman(Founder)in

renderletrenderlet.comin𝕏

Renderlet provides a procedural 3D modeling platform that enables developers and artists to create complex 3D designs, shapes, and animated effects by combining functions and primitives.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareGamingNew York City, US

Sean Isom(Founder)in

RentAHumanrentahuman.aiin𝕏

Rentahuman operates a marketplace that connects AI agents with human contractors to perform physical-world tasks.

AI & Machine LearningB2B MarketplacesConsumerFuture of WorkHR TechSan Francisco, US

Alexander Liteplo(Founder)in

RentFlowtherentflow.comin𝕏

RentFlow provides flexible rent payment plans allowing commercial tenants to split rent into weekly or multi-month installments that align with their cash flow.

AI & Machine LearningEnterprise SoftwareFintechPropTechSaaSNew York City, US

Joseph Thalinjan(Founder/CEO)inAlix Maurin(Founder/CEO)in

RentHoprenthop.comin𝕏

RentHop is an apartment rental marketplace that connects renters with listings ranked by freshness, accuracy, and property manager responsiveness, while providing brokers and property managers a platform to post listings and reach qualified tenants.

MarketplacesPropTechNew York City, US

Lee C. Lin(Founder)Lawrence Zhou(Founder)in

Rentoborentobo.comin𝕏

Rentobo provides a platform for landlords and property managers to list rental properties across multiple search sites, consolidate tenant applications and background information, and manage lease signing and deposit collection online.

MarketplacesPropTechSan Francisco, US

Nikhil Abraham(Founder)inShaun Davis(Founder/Software Engineer)inMatt Kopko(Founder)James Shkolnik(Founder)in

Repaintrepaint.comin𝕏

Repaint is an AI-powered website builder that reconstructs existing websites by importing content and design, then allows users to modify layout, content, and styling through a chat interface.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Ben Shumaker(Founder)inIzak Fritz(Founder)in

Replenishgetreplenish.comin𝕏

Replenish manufactures blended beverage systems that prepare plant-based smoothie recipes in seconds using proprietary Hydroblend technology, serving health-conscious consumers who seek convenient nutrition without ingredient shopping or preparation.

ConsumerEnterprise SoftwareFoodTechHardwareHealthtechSaaSSan Francisco, US

Matthew Udomphol(Founder/CEO)inElise Polezel(Founder/COO)in

Replicastryreplicas.comin𝕏

Replicas provides a background coding agent that delegates development tasks to sandboxed coding environments, enabling developers to automate routine code changes and integration work.

Developer ToolsEnterprise SoftwareSan Francisco, US

Connor Loi(Founder)inSaai Arora(Founder/CTO)in

Replicatereplicate.comin𝕏

Replicate builds tools that make AI models accessible to software engineers through simple APIs and abstractions, similar to standard software libraries.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Ben Firshman(Founder)inAndreas Jansson(Founder)inMATT BORNSTEIN(Director)

Replikareplika.aiin𝕏

Replika is an AI companion app that engages users in conversations and provides emotional support through memory, personality customization, and features like voice calls and messaging.

AI & Machine LearningConsumerMedia & EntertainmentMental HealthSan Francisco, US

Eugenia Kuyda(Founder/CEO)in

Replitreplit.comin𝕏

Replit is a platform for software development that aims to make app creation accessible to non-programmers through intuitive tools and AI agents.

AI & Machine LearningCloud ComputingCreator EconomyDeveloper ToolsEdTechEnterprise SoftwareSan Francisco, US

Haya Abdalla(Founder)inAmjad Masad(Founder)inHaya Odeh(Co-Founder, Design)Luis HΓ©ctor ChΓ‘vez(CTO)

Reploreplo.appin𝕏

Replo is a no-code platform for building, testing, and launching high-converting landing pages and sales funnels for e-commerce and SaaS businesses.

AI & Machine LearningDeveloper ToolsE-commerceEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Yuxin Zhu(Founder)in

Reploygetreploy.comin𝕏

Reploy automatically generates temporary staging environments for web applications with each pull request, allowing development teams to preview and share code changes without manual setup.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Himank Yadav(Founder)in

Repoolrepool.comin𝕏

Repool provides software and services for launching and administering hedge funds, helping managers comply with securities regulations.

Enterprise SoftwareFintechSaaSNew York City, US

Kevin Fu(Founder)inJustin Carrao(Executive Officer)

Repromptrepromptai.comin𝕏

Reprompt builds a digital replica of Earth using AI and location technology.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Lukas Martinelli(Founder)inRob Balian(Founder)in

REPROSENTreprosent.comin𝕏

REPROSENT captures patient treatment experience data to support dose, safety, and development decisions in oncology and advanced cancer therapies.

BiotechDigital HealthHealthtechMedical DevicesSan Francisco, US

Aimee DeGolyer(Founder)inMichael Sample(Founder)in

Request Networkrequest.networkin𝕏

Request provides infrastructure for payment requests and invoicing in cryptocurrencies, with applications that allow businesses and individuals to bill and collect payments across blockchain networks.

Crypto & Web3FintechParis, FR

Christophe Lassuyt(Founder/CFO)inEtienne TATUR(Founder/CTO)in

Requestlyrequestly.comin𝕏

Requestly is a Git-native API client for teams to design, build, and test APIs in a single local-first application.

Developer ToolsEnterprise SoftwareSaaSSan Francisco, US

Sachin Jain(Founder)inSagar Soni(Founder)in

Rescalerescale.comin𝕏

Rescale provides cloud-based engineering and R&D platform with simulation, modeling, and digital engineering tools for enterprise engineering teams across multiple industries.

AI & Machine LearningCloud ComputingDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US

Joris Poort(Founder/CEO)inAdam McKenzie(Founder/CTO)inToshiya Otani(Director)

BoardYanev Suissa(Director)

ReSchedule Medreschedulemed.comin𝕏

ReSchedule Med provides scheduling management software for medical residency programs, addressing the complex logistics involved in coordinating resident assignments and rotations.

HealthtechNew York City, US

Taylor Fairbank(Founder)in

Rescriptrescript.aiin𝕏

Rescript builds AI systems for legal and public policy research, helping enterprises, law firms, and public affairs teams monitor policy changes and organize materials across federal, state, and local jurisdictions.

AI & Machine LearningEnterprise SoftwareGovTechLegalTechSaaSWashington, US

Nikhil Ajjarapu(Founder)inAlexander Pesendorfer(Founder)in

Rescue Forensicsrescueforensics.comin𝕏

Rescue Ops collects and stores data from classified advertising sites that feature commercial sex postings, providing law enforcement agencies with information for human trafficking investigations.

GovTechNashville, US

Ryan Dalton(Founder/CEO)inBrandon Hamric(Founder/CTO)in

RescueTimerescuetime.comin𝕏

RescueTime provides automatic time tracking and productivity management software for individuals and teams, with tools for focus management, distraction blocking, and project/timesheet automation.

Developer ToolsEnterprise SoftwareFuture of WorkHR TechSaaSSeattle, US

Brian Fioca(Founder)in

Resendresend.comin𝕏

Resend provides an email sending platform for developers to build and send modern email templates that reach the inbox reliably.

Developer ToolsEnterprise SoftwareSaaS

Zeno Rocha(Founder & CEO)inBu Kinoshita(Founder)in

BoardGuillermo Rauch

Reshape Biotechreshapebiotech.comin𝕏

Reshape provides an AI-driven operating system that automates microbiology data capture and analysis for research laboratories.

AI & Machine LearningBiotechDeep TechHealthtechRoboticsCopenhagen, DK

Carl-Emil GrΓΈn Fuglesang(Founder)Magnus Nyborg Madsen(Founder)inDaniel Storgaard(Founder)in

ResistanceBioresistance.bioin𝕏

ResistanceBio develops treatments to address drug resistance in cancer patients.

BiotechHealthtechSan Francisco, US

Nicholas Goldner(CEO/Founder)inChristopher Bulow(Founder)inKYLE LAPHAM(Executive Officer, Director)OMRI AMIRAV-DRORY(Director)

Resolveresolvebim.comin𝕏

Resolve provides web, iPad, and VR platforms for accessing and collaborating on building information models (BIM) in construction.

AI & Machine LearningConstruction TechPropTechSaaSNew York City, US

Angel Alonso Say(Founder/CEO)inRussell Varriale(Founder)in

Resonanceuseresonance.comin𝕏

Resonance provides a content repository for marketing campaigns that tailors messaging to individual recipients and automatically archives and recycles effective variations.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Jonathan Ou(Founder)in

Respanrespan.aiin𝕏

Respan provides infrastructure for teams to trace, evaluate, and monitor AI agent workflows in production at scale.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Andy Li(Founder)inRaymond Huang(Founder)inHendrixin

Responsetryresponse.comin𝕏

Response operates a digital procurement platform providing access to over 20 million SKUs for warehouse teams and businesses.

Enterprise SoftwareLogistics & Supply ChainMarketplacesSaaSSan Francisco, US

Keivan Shahida(Founder)inKais Baillargeon(Founder)in

Resquaredre2.aiin𝕏

Resquared is an AI outbound sales platform that helps businesses reach local brick-and-mortar establishments using a database of 14M+ verified local businesses, AI-powered personalized outreach, and built-in email delivery.

AI & Machine LearningEnterprise SoftwareMarketing TechPropTechSaaSPhiladelphia, US

Griffin Morris(Founder)inTyler Carlson(Founder)in

Restocksrestocks.ioin𝕏

A mobile shopping app that alerts users to new releases, restocks, and sales from sneaker and streetwear brands, allowing them to check inventory and purchase directly within the platform.

ConsumerDirect to ConsumerE-commerceSan Francisco, US

Luke Miles(Founder)in

Resultresult.devin𝕏

Result is an operating system that helps entrepreneurs start and run businesses, offering tools for app development, payments, marketing, customer support, business analytics, legal incorporation, product design, market research, performance optimization, fundraising, and integrations with third-party services.

ConsumerDeveloper ToolsFuture of WorkSaaS

Aaryan Kushwah(Founder)inSavio Martin(Co-Founder & CTO)in

Retaperetape.aiin𝕏

Retape AI builds an AI-native CRM platform for debt settlement operations that automates repetitive, structured workflows while keeping humans in control of judgment and client relationships.

AI & Machine LearningEnterprise SoftwareSaaSSales TechBengaluru, IN

Sahil Singla(Founder)inAnkit Goyal(Founder)inShubham Rana(Founder)in

Retell AIretellai.comin𝕏

Retell AI builds an enterprise-grade voice AI platform that handles phone calls for industries including healthcare, delivery, and insurance.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Bing Wu(Founder)inTodd Li(Co-Founder)inEvie Wang(Founder)inWeijia Yu(Founder)inZexia Zhang(Founder)in

RethinkDBrethinkdb.comin𝕏

RethinkDB is a distributed document database that enables developers to query JSON documents across multiple programming languages and integrates with modern web frameworks for real-time applications.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Michael Glukhovsky(Founder)inSlava Akhmechet(Founder)in

Reticularreticular.comin𝕏

Reticular provides genetic screening and embryo analysis for prospective parents, offering risk assessments for pregnancy loss, inherited diseases, and health traits to inform reproductive decisions.

AI & Machine LearningBiotechDigital HealthHealthtechMedical DevicesWellness & FitnessSan Francisco, US

John Yang(Founder)in

Retoolretool.comin𝕏

Retool is a platform for building and governing internal tools, admin panels, and dashboards across teams.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareFuture of WorkSaaSSan Francisco, US

David Hsu(Founder/CEO)in

Retrofitretrofit.shopin𝕏

Retrofit operates a secondhand clothing marketplace where algorithmic curation helps match buyers with vintage items based on their style preferences, measurements, and spending limits.

ConsumerDirect to ConsumerNew York City, US

Sandra Lifshits(Founder, CEO)inRobert Coppedge(Director)Jeffrey Hyman(Director)Mary Pigatti(Executive Officer, Director)

RetroFixretrofix.aiin𝕏

RetroFix is an AI-powered workflow automation platform that generates, tests, and manages automations by natural language description and connects 2,800+ applications.

AI & Machine LearningEnterprise SoftwareSaaSNew York City, US

Isaac Toscano(Founder)inDaniel Portela(Co-Founder, CTO)in

REV1rev1.soin𝕏

REV1 develops AI-powered software that automatically converts 3D CAD models into production-ready 2D engineering drawings with geometric dimensioning and tolerancing annotations for mechanical engineers.

Advanced ManufacturingAI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Alex Rivero(Founder)inLouis Liu(Founder)in

Revampgetrevamp.aiin𝕏

Revamp AI provides email marketing personalization and engagement tools for e-commerce businesses, enabling revenue optimization through AI-driven customer communication strategies.

AI & Machine LearningData & InfrastructureE-commerceEnterprise SoftwareMarketing TechSan Francisco, US

Stephen Campbell(Founder)in

Revelhellorevel.comin𝕏

Revel creates in-person events and digital communities designed for women in their midlife years and beyond.

ConsumerSocialSan Francisco, US

Lisa Marrone(Founder)inAlexa Wahr(Founder)in

RevenueCatrevenuecat.comin𝕏

RevenueCat provides revenue and subscription analytics infrastructure for mobile and web applications, helping teams centralize reporting and monetization tracking across platforms.

Data & InfrastructureDeveloper ToolsE-commerceEnterprise SoftwareSaaSSan Francisco, US

Miguel Carranza(Founder)inJacob Eiting(Founder)in

REVERitsrever.comin𝕏

Rever is a returns management platform for eCommerce businesses that automates and simplifies the product return process.

E-commerceFintechLogistics & Supply ChainSaaSBarcelona, ES

Marius Montmany(Founder)inOriol Hernandez i Fajula(Founder)in

ReverCarerevercare.comin𝕏

ReverCare provides digital tools and guidance to help older adults and their family caregivers navigate care-related challenges, including access to expert coaches and information on solutions like home care, estate planning, and emergency response systems.

Digital HealthEnterprise SoftwareHealthtechHR TechWellness & FitnessNew York City, US

Kiyan Rajabi(Founder)inDarya Moldavskaya(Founder)in

Reverie Labsreverielabs.comin𝕏

Reverie Labs develops cancer treatments designed to cross the blood-brain barrier and treat tumors in the central nervous system.

AI & Machine LearningBiotechHealthtechBoston, US

Ankit Gupta(Founder/CTO)inConnor Duffy(Founder)inJonah Kallenbach(Founder)in

Revery AIrevery.aiin𝕏

Revery AI operates a social platform where fashion creators showcase designs and build audiences, powered by AI tools that generate product images and create virtual try-on capabilities for styling outfits on different models.

AI & Machine LearningConsumerCreator EconomyE-commerceSocialEmeryville, US

Kedan Li(Founder)inMin Jin Chong(Founder)inJeffrey Zhang(Founder)in

Revirevi.aiin𝕏

Revi provides private market intelligence for private equity firms and acquisitive companies, using AI to identify M&A targets and surface competitive intelligence through analysis of proprietary and web-scale data.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSales TechNew York City, US

Max Nuyen(Co-founder)inBenjamin McKinzey(Co-Founder)in

Revionrevion.incin𝕏

Revion builds software tools for automotive technicians to automate routine tasks like inspection documentation and repair information lookup.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSaaSNew York City, US

Zaki GW(Founder)inHanbo Xie(Founder)in

Revise Roboticsreviserobotics.comin𝕏

Revise Robotics builds robotic systems with AI that automate the assessment and refurbishment of discarded electronics for recycling facilities and second-hand resellers.

Advanced ManufacturingRoboticsNew York City, US

Rupesh Jeyaram(Founder)inAntonio Monreal(Founder/CTO)in

REVLrevl.comin𝕏

Revl develops AI-powered video capture and editing technology that automatically creates cinematic videos in real-time for experiential activities.

AI & Machine LearningConsumerCreator EconomyEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Eric Sanchez(Founder/CEO)inBruce Pla(Founder/Chief Design Officer)Nelson Vazquez(Founder/CTO)inEric Sanchez Curti(Executive Officer, Director)Vyacheslav Solonitsyn(Director)

Revnurevnu.comin𝕏

Revnu provides AI agents that automate growth, conversion, and retention tasks for early-stage software founders, handling SEO, ads, outreach, and customer retention so builders can focus on product development.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSan Francisco, US

George Jefferson(Founder)inArt Freebrey(Founder)in

Revolve Surgicalrevolvesurgical.comin𝕏

Revolve develops a surgical robotics platform with 5mm wristed instruments and zero-footprint design for operating rooms, enabling digital surgery at costs comparable to laparoscopy.

HardwareHealthtechMedical DevicesRoboticsToronto, CA

Alex Gordon(Founder)inPeter Francis(Founder)inMatthew Kang(Founder)in

Revoyrevoy.comin𝕏

Revoy builds electric vehicles or electric drivetrain technology.

Advanced ManufacturingCleantechClimate TechHardwareLogistics & Supply ChainMobility & TransportationSan Francisco, US

Ian Rust(Founder)in

Revylrevyl.comin𝕏

Revyl provides mobile testing and verification infrastructure for development teams, capturing runtime evidence from iOS and Android builds.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Landseer Enga(Founder)inAnam Hira(Founder)in

Rewbirewbi.comin𝕏

Rewbi rebuilds the electrical grid by financing, optimizing, and maintaining clean energy sources, particularly battery systems for grid stabilization.

Advanced ManufacturingAI & Machine LearningCleantechEnergySan Francisco, US

Thomas Marge(Founder)inDerek Modzelewski(Co-Founder and CTO)in

Reworkdreworkd.aiin𝕏

Reworkd is an AI-powered web data extraction platform that automates end-to-end data scraping and monitoring from websites at scale without requiring code.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSSan Francisco, US

Srijan Subedi(Founder)inDaniel Gross(Co-founder)

rex.fitrex.fitin𝕏

Rex.Fit makes a wearable camera device that uses computer vision to automatically track food intake and nutrition, alongside an API that fitness facilities integrate for nutritional analysis.

AI & Machine LearningConsumerSan Francisco, US

Ahmad Roumie(Founder)in

REZIrentrezi.comin𝕏

REZI operates an online marketplace where landlords list apartment vacancies and receive guaranteed rent payments, while tenants search for and apply to apartments without fees and with minimal paperwork.

PropTechNew York City, US

Sean Mitchell(Founder/Chairman & CEO)inKeenan D. Williams(Founder/President)inHarsh Yadav(Founder/President)in

Rhizome AIrhizomeai.comin𝕏

Rhizome AI provides an AI research platform that answers regulatory and clinical questions by citing documents from health authority databases across multiple markets, with built-in hallucination prevention.

AI & Machine LearningEnterprise SoftwareHealthtechNew York City, US

Chetan Mishra(Founder)in

Rhythmmgetrhythmm.comin𝕏

Rhythmm is a social platform where users can follow curated channels of conversations and thoughts from interesting people and experts, as well as create and moderate their own channels with invited participants while others observe as followers.

ConsumerSocialSan Francisco, US

Raymond (George) Kennedy(Founder)inZachary Waleed Saraf(Founder)in

Ribbon Healthribbonhealth.comin𝕏acquired by H1

H1 is an AI-powered platform that helps life sciences, pharmaceutical, payer, and provider organizations identify and engage healthcare providers.

AI & Machine LearningData & InfrastructureHealthtechNew York City, US

Nate Maslak(Founder/CEO)inNate Fox(Founder)in

Rickshawgorickshaw.comin𝕏

Rickshaw operates a same-day local delivery service that integrates with courier networks to transport goods like laundry, gifts, and meals, offering API access for businesses and routing optimization through algorithmic dispatch.

Enterprise SoftwareLogistics & Supply ChainSan Francisco, US

Divya Bhat(Founder/CEO)inGautam Jayaraman(Founder/CTO)in

RideAlonggetridealong.comin𝕏

RideAlong provides software that delivers contextual information to police officers responding to situations involving people with mental illness, including de-escalation guidance and local service referrals.

GovTechSan Francisco, US

Meredith Hitchcock(Founder/COO)in

Ridecellridecell.comin𝕏

Ridecell provides an AI-powered asset intelligence and orchestration platform for automotive leasing and finance companies.

AI & Machine LearningEnterprise SoftwareMobility & TransportationSaaSSan Francisco, US

Aarjav Trivedi(Founder/CEO)in

Ridejoyridejoy.comin𝕏

RideJoy is a marketplace connecting equestrian riders and horse owners with verified accommodations including boarding, layovers, RV parking, cabins, and camping across the United States.

ConsumerMarketplacesMobility & TransportationTravel & HospitalitySan Francisco, US

Kalvin Wang(Founder/CEO)Jason Shen(Founder)inRandy Pang(Founder)in

Riderwithrider.comin𝕏

Rider provides parcel delivery services to online sellers across Pakistan, handling 200,000 orders monthly across 60 cities with integrated platforms for shippers, delivery agents, and customers.

E-commerceEnterprise SoftwareLogistics & Supply ChainKarachi, PK

Salman Allana(Founder)in

riftrift.comin𝕏

Rift provides a platform for B2B sales teams to manage inbound leads from initial capture through booking and follow-up, combining form collection, lead qualification, rep assignment, calendar scheduling, and automatic re-engagement of no-shows.

Enterprise SoftwareSaaSSales TechSan Francisco, US

Fil Twarowski(Founder)inEdvard Eriksson(Founder)in

Riftenriften.ai

AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US

RightNowruninfra.aiin𝕏

RunInfra benchmarks machine learning models and serving engines across different GPUs, provides real performance measurements (latency, throughput, cost), and delivers a deployment-ready kit that runs on the user's choice of cloud infrastructure.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareAmman, JO

Jaber Jaber(Founder)inOsama Jaber(Founder)in

RigPlenishrigplenish.comin𝕏

RigPlenish provides software that reduces post-ambulance documentation burdens and enables real-time secure communication between ambulance crews and hospitals.

HealthtechSan Francisco, US

Nupur Mehta(Founder/CEO (YC S16))in

Rileygetrileynow.comin𝕏

Riley builds a product for real estate agents designed to optimize workflows and increase lead conversion rates.

Marketing TechPropTechSaaSSales TechNew York City, US

Helson Taveras(Founder/CTO)inDaniel Ahmadizadeh(CEO)Daniel Snyder(Head of Community)

Rima AI (formerly Garage)getrima.aiin𝕏

Rima is an AI agent platform for financial reconciliation tasks including bank statements, accounts payable, payroll, intercompany balances, and credit card transactions.

AI & Machine LearningEnterprise SoftwareFintechSaaSAustin, US

Gwanygha’a Gana(Co-Founder)inCedric Foudjet(Founder)in

Rimbarimba.aiin𝕏

Rimba provides an AI-powered platform for operations, supply chain, and compliance teams in energy and industrial companies.

Advanced ManufacturingAI & Machine LearningClimate TechEnergyEnterprise SoftwareSaaSSan Francisco, US

Timothy Daniel(Founder)in

Rimwardrimward.aiin𝕏

Rimward provides an AI-powered software layer that converts existing CCTV surveillance into intrusion and theft detection alerts for remote outdoor sites like solar farms.

AI & Machine LearningCleantechCybersecurityEnterprise SoftwareParis, FR

F-G Fernandez(Founder)in

Rindlerrindler.aiin𝕏

Rindler provides a platform that enables AI agents to reliably navigate and interact with any website, offering infrastructure for deterministic web access.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareBoston, US

Arthur De Los Santos(Founder)inMichael Serrano(Founder)in

Rinserinse.dentalin𝕏

Rinse combines technology and hospitality with science-based dental care to provide preventive oral health services through modern studio experiences.

ConsumerDigital HealthHealthtechWellness & FitnessSan Francisco, US

Casey Harlin(Founder)in

Rinsedrinsed.comin𝕏

Rinsed is a CRM and business management platform for car wash operators that integrates with POS systems to manage memberships, customer retention, and sales operations.

AI & Machine LearningE-commerceEnterprise SoftwareRetail TechSaaSNew York City, US

Austin Esecson(Founder)inNic Hippenmeyer(Founder)inSam Logan(Co-Founder & COO)in

Riorio.tradein𝕏

Rio is a stablecoin liquidity provider for Latin America that enables financial companies to access and convert between stablecoins and local currencies.

Crypto & Web3FintechMarketplacesMexico City, MX

Eudelio Garza(Founder)inJavier Roberts(Founder)inRicardo Villarreal Chapa(Founder)in

Riogranderiogrande.coin𝕏

Riogrande acquires and operates direct-to-consumer brands across Latin America.

ConsumerE-commerceFoodTechMexico City, MX

Tono Mandly(Founder)inFederico Naides(Founder)in

Ripplingrippling.comin𝕏

Rippling is a workforce management platform that unifies HR, IT, finance, and employee data across a business.

Enterprise SoftwareFuture of WorkHR TechSaaSSan Francisco, US

Parker Conrad(Founder/CEO)inPrasanna S(Founder/CTO)in

Risely AIrisely.aiin𝕏

Risely is an agentic AI platform designed for higher education institutions that orchestrates AI agents to optimize campus operations, support student retention, and revenue generation.

AI & Machine LearningEdTechEnterprise SoftwareSan Francisco, US

Shahryar Abbasi(Founder)inSadia Saifuddin(Founder)in

RiskAngleriskangle.comin𝕏

RiskAngle uses AI to automatically summarize unstructured medical records, serving insurance companies and law firms for underwriting, claims processing, and case preparation.

AI & Machine LearningEnterprise SoftwareInsurTechSaaSSan Francisco, US

Bill Chen(Founder)inWilliam Hu(Founder)in

RiskCuberiskcube.comin𝕏

RiskCube is an AI-native insurance broker that helps startups obtain business insurance coverageβ€”including cyber, directors & officers, general liability, and tech errors & omissions policiesβ€”and generate Certificates of Insurance, typically within one day.

AI & Machine LearningFintechInsurTechSaaSSan Francisco, US

Andrei Craciunescu(Founder & CEO)in

Risklyticsrisklytics.aiin𝕏

Risklytics simulates natural disaster risks (wildfire, flood, wind, earthquake, debris flow) on individual residential properties using digital twins built from building data and satellite imagery.

AI & Machine LearningClimate TechFintechInsurTechPropTechSan Francisco, US

Samuel Gold(Founder)inAlexander Risio(Founder)in

Risottotryrisotto.comin𝕏

Risotto is an AI help desk platform for internal support across multiple departments (IT, HR, Finance, Legal, Security) that automates repetitive questions, routes tickets, and manages access control by integrating with knowledge bases and communication tools like Slack and Teams.

AI & Machine LearningEnterprise SoftwareHR TechSaaSSan Francisco, US

Aron Solberg(Founder)inAlex Confer(Founder)inChris Paul(Founder)in

Ritivelritivel.comin𝕏

Ritivel builds an AI-native platform that automates regulatory workflows and documentation for life sciences companies, helping accelerate the submission of therapies to patients.

AI & Machine LearningBiotechEnterprise SoftwareHealthtechMedical DevicesSan Francisco, US

Nirmit Arora(Founder)inGunin Gupta(Founder)inPavan Kalyan (a.k.a PK) Tankala(Founder)in

River Marketsrivermarkets.comin𝕏

River Markets provides a unified trading terminal and API for prediction market desks, aggregating order books and execution across multiple prediction exchanges like Kalshi and Polymarket.

FintechSaaSSan Francisco, US

Oscar Levy(Co-Founder)inAntonin Parrot(Founder)in

Riverbankriverbank.shin𝕏

Riverbank provides offensive security assessments using autonomous AI agents paired with human operators to identify vulnerabilities in organizational systems.

AI & Machine LearningCybersecurityEnterprise SoftwareBoston, US

Carter Pry(Founder)in

Rivetrivet.devin𝕏

Rivet provides infrastructure for AI agents and realtime applications, offering stateful compute primitives called Actors that run in Node.js or Bun backends.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Nicholas Kissel(Founder)inNathaniel Flurry(Founder)in

Rivetrivet.designin𝕏

Rivet is a visual editor that lets product designers make UI changes and commit them directly to code, reducing the need for designer-engineer collaboration.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Sam Gorman(Founder)in

Riveterriveterhq.comin𝕏

Riveter is a web data extraction and automation platform that searches, navigates, and retrieves specific information from the internet for teams across e-commerce, marketing, real estate, and other data-dependent industries.

AI & Machine LearningData & InfrastructureDeveloper ToolsE-commerceEnterprise SoftwareSaaSSan Francisco, US

Abigail Grills(CEO & Co-founder)inHope Cochran(Director)Amy Nelson(Executive Officer, Director)

Rivia.AIrivia.aiin𝕏

Rivia.ai provides a platform for creating and distributing interactive product demonstrations that SaaS companies can embed in websites, email, and advertising.

Enterprise SoftwareMarketing TechSaaSBengaluru, IN

Samay Jain(Founder)in

Rivierawithriviera.comin𝕏

Riviera provides an AI voice and messaging agent for hotels that answers calls, handles texts and emails, manages reservations, and routes complex requests to staff.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Shaun Lane(Founder)inDaniel Tyshler(Founder)in

Riya Collectiveriyacollective.comin𝕏

ConsumerDirect to ConsumerSan Francisco, US

Sarina Siddhanti(Founder)in

RMFGrmfg.comin𝕏

RMFG provides custom sheet metal parts and assemblies manufactured in the United States, targeting product makers and manufacturers seeking domestic production alternatives.

Advanced ManufacturingHardwareRoboticsSaaSFort Worth, US

Kenneth Cassel(Founder)in

Roameroame.travelin𝕏

Roame is a flight and hotel search engine that helps travelers find and redeem premium accommodations and flights using airline and hotel loyalty points and miles.

AI & Machine LearningB2B MarketplacesConsumerSaaSTravel & HospitalitySan Francisco, US

Tim Qin(Founder)inZi Liu(Founder)in

Robbytryrobby.comin𝕏

Robby provides software tools for home service companies to help technicians educate homeowners and close sales during service visits.

Enterprise SoftwareFuture of WorkSaaSBoston, US

Vineet Jammalamadaka(Founder)inFeroze Mohideen(Founder)inJoseph Schwarzmann(Founder)in

Robby Technologiesrobby.ioin𝕏

Robby Technologies develops autonomous robots designed to deliver food, groceries, and packages to customers' doorsteps.

Advanced ManufacturingRoboticsSan Francisco, US

Rui Li(Founder/CEO)inDheera Venkatraman(Founder/CTO)in

Robocurverobocurve.orgin𝕏

Robocurve develops open-source tools and benchmarks for evaluating the real-world capabilities of AI systems and robots.

Advanced ManufacturingAI & Machine LearningDeep TechHardwareRoboticsSan Francisco, US

Jay Chooi(Founder)inAris Zhu(Founder)in

RoboDockrobodock.techin𝕏

RoboDock builds autonomous robotics systems for electric and autonomous vehicle depot operations, automating charging, plug insertion, and vehicle inspections.

Advanced ManufacturingEnergySan Francisco, US

Zinny Weli(Founder)inCeline Wang(Founder)in

Roboflowroboflow.comin𝕏

Roboflow provides tools for developers to build and deploy computer vision applications, including image annotation, model benchmarking, and dataset management.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Joseph Nelson(Founder)inBrad Dwyer(Founder)in

BoardDavid Sacks(Director)Crystal Huang(Director)

RoboHRrobohr.comin𝕏

Enterprise SoftwareHR TechSan Francisco, US

Henry Liu(Founder)inJingsong Wang(Founder)in

Robotirerobotire.comin𝕏

RoboTire builds automated robotic systems that change vehicle tires in roughly 10 minutes, designed for deployment in shops, parking lots, or remote fleet service areas to reduce maintenance costs and downtime for vehicle operators and fleet managers.

Advanced ManufacturingHardwareMobility & TransportationRoboticsPlymouth, US

Victor Darolfi(Founder)inWill Mapes(Founder)in

Rocketablerocketable.comin𝕏

Rocketable acquires software businesses and automates their operations by replacing human staff with AI agents across functions; the company develops tools to coordinate these agents toward shared business objectives.

Enterprise SoftwareSan Francisco, US

Alan Wells(Founder)in

RocketLitrocketlit.comin𝕏

RocketLit develops an adaptive reading platform that adjusts text complexity for individual students and a science assessment tool that provides practice problems and performance analytics for teachers and administrators.

EdTechLos Angeles, US

Brendan Finch(Founder/CEO)inGrenard Madrigal(Founder/CTO)in

Rocketriprocketrip.comin𝕏

Tabhi is a global AI-driven travel marketplace that unites travel experts, suppliers, organizations, and travelers through agentic AI technology.

AI & Machine LearningEnterprise SoftwareFintechTravel & HospitalityNew York City, US

Prasad Gundumogula(Founder, Group Chairman & CEO)Daniel Ruch(Executive Officer, Director)Warren Lee(Director)

BoardGil Beyda(Director)

RocketSDRrocketsdr.aiin𝕏

RocketSDR develops AI-powered software to automate and enhance sales development tasks, helping sales teams reduce repetitive work and improve prospect engagement.

AI & Machine LearningEnterprise SoftwareSaaSSales TechBengaluru, IN

Ayush Pateria(Founder)inKeshav chouksey(Founder)in

ROEgetroe.aiin𝕏

Roe provides fraud detection and risk management software that identifies emerging fraud patterns and coordinated activity across a portfolio of transactions, using typology analysis and real-time monitoring for financial institutions and payment platforms.

AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareFintechSan Francisco, US

Richard Meng(Founder)in

Roforcoin𝕏

Roforco develops games for the Roblox platform, with a portfolio of titles that have accumulated over 100 million total plays.

ConsumerGamingSan Francisco, US

Brain Xiang(Founder)in

Rogerhireroger.comin𝕏

Roger is a platform that automates outbound sales and prospecting processes for B2B companies.

Enterprise SoftwareSaaSSales TechAustin, US

Rithwik Pattikonda(Founder)in

ROGERthanksroger.comin𝕏

ROGER is an electronic signature platform that helps startups, small businesses, and growing teams send contracts and collect legally binding digital signatures.

Enterprise SoftwareLegalTechSaaSNew York City, US

Michael Wang(Founder)in

Roin Technologiesrointech.comin𝕏

Roin Technologies makes robots that automate the pouring and finishing of concrete floors on construction sites, allowing a single operator to complete work that traditionally requires multiple workers.

Advanced ManufacturingHardwareRoboticsSan Francisco, US

Jim Delaney(Founder)inGunner Robinson(Founder)in

Rollstackrollstack.comin𝕏

Rollstack automates financial reporting cycles for finance teams, eliminating manual reporting work to free capacity for higher-value analysis and business activities.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechMarketing TechSaaSNew York City, US

Nabil Jallouli(CEO & Co-Founder)inYounes Jallouli(Co-founder & CPO)inKamran Pirasteh(Director)Bahir Saad(Director)

Romerome.aiin𝕏

Rome connects drivers with high-paying load booking opportunities across the internet, helping drivers maximize their earnings per week through a marketplace platform.

B2B MarketplacesEnterprise SoftwareLogistics & Supply ChainMarketplacesSaaSSan Francisco, US

Craig Weiss(Founder)in

RonanRx Inc.ronanrx.com

HealthtechSan Francisco, US

Roofrroofr.comin𝕏

Roofr operates a digital platform for the roofing industry that uses satellite imagery to generate instant roofing estimates, connecting contractors and homeowners to streamline the sales and estimation process.

B2B MarketplacesConstruction TechConsumerEnterprise SoftwarePropTechSaaSSan Francisco, US

Richy Nelson(Founder/CEO)inKevin Redman(Founder/CTO)in

Roomblockerroomblocker.comin𝕏

Roomblocker provides hotel room booking and management services for group reservations and event organizers.

ConsumerMarketplacesTravel & HospitalitySan Francisco, US

Dave Yen(Founder/CEO)inMichael Wang(Founder/CTO)in

Roomstormroomstorm.comin𝕏

Roomstorm provides an automated booking platform that connects airlines with hotel inventory worldwide to arrange accommodations for passengers affected by flight delays or cancellations.

ConsumerMarketplacesTravel & HospitalitySan Francisco, US

Maksim Izmaylov(Founder)in

Roostgoroost.comin𝕏

Roost provides push notification software for websites, with features including geolocation targeting, A/B testing, and audience segmentation.

Developer ToolsEnterprise SoftwareNew York City, US

Tim Varner(Founder/| Growth and Strategy)in

Rootlyrootly.comin𝕏

Rootly provides an on-call and incident management platform for mid-to-large technology companies.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Quentin Rousseau(Founder and CTO (YC S21))inJJ Tang(Co-founder)in

Rose Rocketroserocket.comin𝕏

Rose Rocket provides software that enables transportation and trucking companies to conduct logistics operations through digital tools rather than traditional phone and email communication.

Enterprise SoftwareLogistics & Supply ChainToronto, CA

Alexander Luksidadi(Founder/CTO)in

Rosebudrosebud.appin𝕏

Rosebud is a journaling app with AI-powered features including entry reflection, weekly reports, and personalized content recommendations.

AI & Machine LearningConsumerMental HealthWellness & FitnessSanta Monica, US

Chrys Bader(Co-founder)Sean Dadashi(Co-founder)

Rosebud AIrosebud.aiin𝕏

Rosebud AI provides generative AI tools that enable users to create games and immersive interactive experiences without requiring extensive technical expertise.

AI & Machine LearningConsumerCreator EconomyDeveloper ToolsGamingSan Francisco, US

Lisha Li(Founder)in

Rosebud Biosciencesrosebudbiosciences.comin𝕏

Rosebud Biosciences develops therapies for rare genetic diseases in children by creating organoid models that replicate patient genetic mutations and using drug screening to identify potential cures.

BiotechDeep TechHealthtechMedical DevicesSan Francisco, US

Kitch Wilson(Founder)inEvan Lyall(Founder)in

ROSS Intelligencerossintelligence.comin𝕏

ROSS builds AI products that augment lawyers' cognitive abilities and make legal services more accessible.

AI & Machine LearningEnterprise SoftwareLegalTechSan Francisco, US

Andrew Arruda(Founder/CEO)inPargles Dall`Oglio(Founder)Jimoh Ovbiagele(Founder)in

Rotetryrote.comin𝕏

Rote provides AI agents that manage claim negotiations between auto body shops and insurers, automatically filing and defending claims using repair cost data to help shops recover revenue from undervalued or denied estimates.

Enterprise SoftwareInsurTechSaaSSan Francisco, US

Gabriel Castillo(Founder)inAditya Mittal(Founder)in

Roundabout Technologiesroundabout.techin𝕏

Roundabout Technologies develops intelligent traffic signal systems that use machine learning to optimize traffic flow and reduce pedestrian accidents in urban environments.

GovTechSan Francisco, US

Collin Barnwell(Founder)inSabeek Pradhan(Founder)in

Routableroutable.comin𝕏

Routable provides business payment infrastructure and automation for accounts payable teams, enabling instant payments through FedNow and Real-Time Payments to US bank accounts, and automating invoice processing with features like PO-matching and AI-powered bill coding.

AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US

Omri Mor(Founder/CEO)inTom Harel(Founder)inCHRIS DEVORE(Director)

Routineroutine.coin𝕏

Routine builds an AI-powered work platform that integrates and centralizes data from third-party services like GitHub, Salesforce, Slack, and Dropbox into a unified workspace for project tracking and team collaboration.

AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSParis, FR

Julien Quintard(Founder)inQuentin Hocquet(Founder)in

Roverove.comin𝕏

Rove is a travel rewards platform that allows users to earn and redeem miles on flights and hotel bookings through shopping at partner stores and booking travel directly.

AI & Machine LearningConsumerFintechTravel & HospitalityNew York City, US

Max Morganroth(Founder)inArhan Chhabra(Founder)in

RoverRideroversf.comin𝕏

RoverRide provides real-time transit routing for Bay Area public transportation systems, combining MUNI, BART, and Caltrain data to optimize journey planning for urban commuters in San Francisco.

ConsumerMobility & TransportationSan Francisco, US

Lev Popov(Founder)in

Rovi Healthrovi.healthin𝕏

Rovi provides members with access to clinician guidance for navigating healthcare, finding quality doctors, managing benefits, and coordinating care.

Digital HealthHealthtechNew York City, US

Santosh Vallabhaneni(Founder)inTarun Vallabhaneni(Founder)in

Rovrwithrovr.comin𝕏

Rovr is an AI orchestration platform for field delivery engineering, IT consulting, and professional services teams that automates the capture of customer requirements, work structuring, and project delivery.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Arnav Jain(Founder)inYash Jain(Founder)inNithik Yekollu(Founder)in

Rowboat Labsrowboatlabs.comin𝕏

Rowboat Labs builds an open-source AI assistant that runs locally on users' computers to help with workplace tasks like email drafting, meeting preparation, and project management by maintaining a knowledge graph of their work data.

AI & Machine LearningConsumerBengaluru, IN

Arjun Maheswaran(Founder)inRamnique Singh(Founder)in

RowFlowrowflow.aiin𝕏

RowFlow converts traditional web forms into AI-driven conversational interfaces that operate via text, Slack, or embedded chat, enabling companies to collect structured data from users while improving response rates and reducing administrative overhead.

AI & Machine LearningEnterprise SoftwareSaaSNew York City, US

Alec Olesky(Founder)inJack Bubes(Founder)in

Rowndrownd.aiin𝕏

Rownd AI manufactures fully autonomous drones equipped with edge-based intelligence and satellite/cellular redundancy to remove operator dependency, currently deployed with U.S.

Advanced ManufacturingAI & Machine LearningRoboticsRaleigh, US

Robert Thelen(Founder)inMatt Hamann(Founder)Rachel Orrino(Founder)in

Roxelsroxels.aiin𝕏

Roxels builds an AI voice agent that captures business information from client onboarding calls by conducting voice conversations, viewing screens, and extracting structured data.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Daniel Akle Carranza(Founder)inAntonio Longoria(Founder)in

RTCanaryrtcanary.comin𝕏

RTCanary provides monitoring and diagnostics software for WebRTC-based video chat applications, helping developers identify and troubleshoot call quality problems like dropped calls and audio failures.

ConsumerSaaSSan Francisco, US

David Albers(Founder)inAyan Bandyopadhyay(Founder)inMichael Rupprecht(Founder)inKapil Sinha(Founder)inBradley Justice(Founder)in

RTHMrthm.comin𝕏

RTHM combines artificial intelligence with clinical expertise to help patients with complex and unexplained illnesses find faster paths to diagnosis and treatment.

AI & Machine LearningDigital HealthHealthtechSan Francisco, US

Ryan Kellogg(Founder)inJennifer Curtin(Founder)inMichael Snyder(Scientific Cofounder)Eduardo Bohrer(COO/CFO and Cofounder)

Rubber Ducky Labsrubberduckylabs.ioin𝕏

Rubber Ducky Labs provides AI-based product catalog analysis for e-commerce teams, automatically generating metadata tags from uploaded product data to improve search and discovery capabilities.

AI & Machine LearningDeveloper ToolsE-commerceEnterprise SoftwareSan Francisco, US

Alexandra Kissel(Founder)inGeorgia Hong(Founder)in

Rubbrbandrubbrband.comin𝕏

Rubbrband is a video production agency that creates advertisements for emerging brands, leveraging Hollywood-level production expertise.

AI & Machine LearningConsumerMedia & EntertainmentSan Francisco, US

Jeremy Lee(Founder)inAbhinav Gopal(Founder)inDarren Hsu(Founder)in

Rubric AIin𝕏

Rubric AI provides infrastructure that captures expert judgment to generate training signals for advanced AI systems.

Enterprise SoftwareNew York City, US

Pragya Saboo(Founder)in

Ruby Cardspendruby.comin𝕏

Ruby Card provides banking services and spend management tools specifically designed for e-commerce retailers, integrating directly with commerce platforms to give businesses visibility into their finances and cash flow.

FintechNew York City, US

Shariar Kabir(Founder)inMiguel Acero(Founder)inJordan Yaqoob(Founder)in

Rudusrudus.aiin𝕏

Rudus is a software tool that automates takeoff and measurement tasks for concrete estimators, using AI to identify structural elements from construction plans and streamline the estimating workflow.

AI & Machine LearningConstruction TechPropTechSaaSSan Francisco, US

Rishi Pankhaniya(Founder)inSahil Goel(Founder)in

Rulebaserulebase.coin𝕏

Rulebase provides AI-powered agents for financial services companies to automate customer operations and drive revenue, working across onboarding, reactivation, and retention workflows to convert approved accounts into transacting customers.

AI & Machine LearningEnterprise SoftwareFintechSaaSNew York City, US

Gideon Ebose(Founder)inChidi Williams(Founder)in

Rulebricksrulebricks.comin𝕏

Rulebricks provides a no-code decision management platform that allows teams to model, publish, and manage business decision logic through API endpoints.

Developer ToolsEnterprise SoftwareSaaSSan Francisco, US

Sid Garimella(Founder)in

Rulesetruleset.aiin𝕏

Ruleset provides a software platform that automates decision-making processes for lending institutions.

Enterprise SoftwareFintechSan Francisco, US

Logan Frederick(Founder)inZheng Hao Tan(Founder)in

Ruma Carerumacare.comin𝕏

Ruma provides prior authorization software for healthcare practices, helping clinics manage and scale authorization requests across multiple locations.

Enterprise SoftwareHealthtechSaaSSan Francisco, US

Meng Fei Shen(Founder)inChristina Huang(Founder)in

Rumerume.videoin𝕏

Rume provides video chat software designed to mimic the social dynamics of physical gatherings, allowing users to have breakout conversations and move freely between groups.

ConsumerSocialSan Francisco, US

Ben Scharfstein(Founder)inVincenzo Vitiello(Founder)inBryant Wolf(Founder)in

Runarunahr.comin𝕏

Runa is an HR management platform that automates payroll, employee onboarding, offboarding, training, performance tracking, and compliance processes through AI agents.

AI & Machine LearningEnterprise SoftwareFintechHR TechSaaSMexico City, MX

Courtney McColgan(Founder/CEO)in

Runerune.aiin𝕏

Rune is a platform that enables users to create multiplayer games through AI chat interactions, with games instantly playable on Rune's mobile app and integrated voice chat.

AI & Machine LearningConsumerGamingNew York City, US

Sanjay Guruprasad(Founder)in

RunKittonicdev.comin𝕏

RunKit provides an interactive sandbox environment for testing server-side JavaScript code, allowing developers to experiment with different Node.js versions and npm packages without installation overhead.

Developer ToolsEnterprise SoftwareSan Francisco, US

Francisco Tolmasky(Founder/CEO)inPieter Ouwerkerk(Founder)inWolf Rentzsch(Founder)

Rows marked β€œSEC filing” are inferred from directors named on the company's SEC Form D β€” public regulatory data, not a portfolio list published by the firm.