Y Combinator — Full Portfolio

Doomscrollr is a social platform focused on unfiltered posting and direct-to-fan audience building, presented as an alternative to algorithm-driven feeds without algorithmic ranking or shadow bans.

AI & Machine LearningConsumerCreator EconomyHealthtechSaaSSocialSan Francisco, US

MKMohamed Khalifa(Founder)inASAdam Skrocki(Founder)in

Co-investorsFOFoundersX

A derivatives trading exchange providing futures and options trading services, regulated by the CFTC.

FintechMarketplacesNew York City, US

MSMiles Saffran(Founder)inEdward Tian(Founder)inSean Callahan(Head of Engineering)Sambhav Anand(Software Engineer)Anne Loranger(Chief Regulatory Officer)

Co-investorsCACathexis VenturesEPEpakon CapitalPJPJCPOPoint72 VenturesSOSoma CapitalUNUncorrelated Ventures+12 more

Rain Neuromorphics manufactures AI processors using neuromorphic hardware—physical neural networks with spiking neurons and memristive nanowires—that consume significantly less power than conventional processors for machine learning applications.

Advanced ManufacturingAI & Machine LearningHardwareRoboticsSan Francisco, US

GHGordon Hirsch Wilson(CEO)inJCJuan Claudio Nino(Founder)inJKJack Kendall(Chief Technical Officer)in

BoardJackson Hu(Director)

Co-investorsFLFlucas VenturesFUFundersClubAIAirbus VenturesARAramco VenturesBABaidu VenturesBABamboo Capital Partners+19 more

Rainbow is a cryptocurrency wallet application that supports multiple blockchains, NFTs, and decentralized exchanges, offering both mobile and desktop interfaces with hardware wallet integration.

Crypto & Web3FintechNew York City, US

CBChristian Baroni(Founder)inJCJin Chung(Founder)inMDMichael Demarais(Founder)inMike Demarais(Founder)

Co-investors6T6th Man VenturesCOCollab+CurrencyDIDigital Currency GroupHYHyperguapMIMischiefPAParaFi Capital+16 more

Bloom is an AI-powered brand management system that unifies brand assets from multiple sources and generates on-brand content including images, videos, and copy.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSan Francisco, US

RFRay Fitzgerald(Founder/CEO)in

Co-investorsBLBlast.ClubWEWefunder

Raindrop provides observability and monitoring for AI agents, capturing traces of production runs including messages, tool calls, retries, and errors.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

ZKZubin Koticha(CEO)inAGAlexis Gauba(Founder)inBHBen Hylak(Founder)inZubin Singh Koticha(Founder)Dave Schukin(Head of Dev GTM)Spence Hoffman(Recruiter)

Co-investorsLILightspeed Venture PartnersMOMoth FundPIPioneerSCScribble VenturesWIWintermuteCRCRV (Charles River Ventures)+1 more

Rainmaker provides a cryptocurrency wallet using account abstraction technology that allows users to open accounts via email, fund them directly from traditional banking sources, and participate in decentralized finance without paying blockchain transaction fees.

Fintech

CRCarlos Reyes Stoneham(Founder)inBTBrent Traut(Founder)inAugustus Doricko(Founder)

Co-investorsTATamarack GlobalANAntlerCHChampion Hill VenturesDADay One VenturesLOLong Journey VenturesLOLowercarbon Capital+3 more

Rally is a video conferencing platform that enables interactive group gatherings for 35-50 participants with breakout room functionality, customizable venues, and spatial audio features.

ConsumerMedia & EntertainmentSaaSSocialToronto, CA

AJAli Jiwani(Founder)inAKAnson Kao(Founder)inALAmy Liu(Founder)inNate Wildermuth(CTO)Tim Everett(CTO)Matt Wong(CTO)

Co-investorsBABain Capital VenturesPIPioneer

Rally is a user research CRM platform that enables teams to scale research operations, manage access control, and collaborate across departments while securing customer insights and data.

Developer ToolsEnterprise SoftwareMarketing TechSaaSNew York City, US

OFOren Friedman(Founder)inARAlec Robins(Founder)inAJAli Jiwani(Founder)inALAmy Liu(Founder)inAKAnson Kao(Founder)inNTNick Telecki(Founder)in

Co-investorsSTStage 2 CapitalTITIA Ventures6T6th Man VenturesAVAvalancha VenturesBABattery VenturesCACanapi Ventures+4 more

Rally Tax offers an AI-powered platform combined with human tax specialists to provide year-round tax strategy and filing for individuals with complex returns from investments, property, or self-employment.

FintechSan Francisco, US

HGHemant Gangolia(Founder)inNishad Shah

Co-investorsANAndreessen Horowitz

Rally Tennis operates a mobile app that connects tennis players to local leagues, practice partners, and competitive play opportunities.

ConsumerDenver, US

MVMat Vogels(CEO)inJeff Peterson(CTO)

Co-investorsBEBessemer Venture PartnersBOBoxGroupDADay One VenturesKOKokopelli CapitalMAMatchstick VenturesSHShrug Capital+1 more

Ralo is an AI-powered mortgage platform that uses machine learning to automate loan processing tasks traditionally performed by multiple intermediaries, enabling lower rates and faster closings for borrowers.

AI & Machine LearningFintechNew York City, US

ALArjun Lalwani(CEO)inHSHelly Shah(CTO)in

Co-investorsPIPioneerAGAgrolimen VenturesANAndreessen HorowitzBLBlast.ClubCHChile VenturesEXExit Ventures+8 more

Ramain provides agentic process automation that uses AI agents to automate manual UI tasks across web and desktop applications by visually interacting with screens, eliminating manual data entry and system handoffs.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

SVShourya Vir Jain(CEO)inVRVansh Ramani(CTO)in

Co-investorsEIEight CapitalGEGeneral CatalystNENexus Venture PartnersPEPeak XV Partners

Ramani provides a mobile application that enables salespeople in African supply chains to manage inventory, log customer information, and document sales activities.

Enterprise SoftwareSaaSDar es Salaam, TZ

IUIain Usiri(Founder)inCUCalvin Usiri(Founder)inWilliam Kibet Martin(Director)Kibet Martin(Founder)

BoardAVAndrew Vigneault(Director)in

Co-investors3C3cubed VenturesFUFuture AfricaSTStartXTHThe Raba PartnershipAEAesa East AfricaAGAgrolimen Ventures+8 more

Ramen VR is a game development studio that previously created the VR game Zenith: The Last City for Steam and Oculus Quest, and is now building an unannounced game along with developer tools such as Aura.

AI & Machine LearningConsumerDeveloper ToolsGamingSan Francisco, US

ATAndy Tsen(CEO)inLauren Frazier(Founder)Lauren Frazier-Silva(CTO)Ray Graham(Head of Engineer)Kristani Alcantara(Director of Ops)

Co-investorsMAMakers FundANAndreessen HorowitzANAnthos CapitalDUDune VenturesINInvariantes Fund

Ramp offers a finance platform that combines corporate cards, expense management, and AI-driven automation for receipt capture, transaction coding, and reimbursements.

AI & Machine LearningFintechSaaSNew York, US

KAKarim Atiyeh(Founder)inEGEric Glyman(Founder)inGLGene Lee(Founder)inScott Bulua(Executive Officer)inRahul Sengottuvelu(Chief Technology Officer)inWilliam (Will) Petrie(Chief Financial Officer)in

Co-investors1/1/1 Capital13137 Ventures8V8VCA*A*ALAlpha Wave GlobalANAnti+72 more

Random Labs develops Slate, an autonomous coding agent that can engage in extended work sessions on complex programming tasks.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Kiran (Random Labs)(CEO)inMCMihir Chintawar(CTO)in

Co-investorsTHThink+ Ventures Management, LlcTRTranspose Platform Management

Rank is a wealth management platform offering personalized investment portfolios and financial guidance to individual investors seeking alternatives to traditional savings, with portfolio management tailored to individual risk tolerance and life goals.

FintechLagos, NG

FIFemi Iromini(Founder)inASAdedapo Sobayo(Founder)inDapo Sobayo(Founder)Adebola Adeniran(People Experience Lead)

Co-investorsPRPredictive VCVEVentures Platform18186 VenturesFIFine Structures VenturesGOGoodwater CapitalKAKakawa Investment Management+5 more

RankAI builds AI-powered tools that automatically generate, publish, and optimize web content for SEO ranking and conversion.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSan Francisco, US

H(Hugo (Kanghong) Zhan(CTO)inBDBoyuan Deng(Co-founder)inDyllan Liu

Co-investorsTRTreeo VCWEWeb3com VenturesALAliaksandr HudzilinAMAmino CapitalANAndreessen HorowitzCACanvas Ventures+3 more

RankScience is a local SEO agency that helps San Francisco Bay Area businesses improve their visibility in search results through Google Business Profile optimization, citation building, content creation, and review management.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareMarketing TechSaaSSan Francisco, US

RBRyan Bednar(CEO)inDFDillon ForrestinDillon Zhang Forrest

Co-investors50500 GlobalFUFundersClubINInitialized CapitalBOBoxGroupFOFounder CollectiveSVSV Angel

SuperSend provides email infrastructure for investment banks conducting large-scale investor outreach, featuring dedicated subdomains, institutional inbox delivery, and compliance archiving.

Enterprise SoftwareFintechMarketing TechSaaSSan Francisco, US

KTKurtis Tryber(Founder)inKristopher Tryber(CTO)Sean Miller(Head of Engineering)Megan Tomasi

Co-investors191984 Ventures Management, LlcI2I2BF Global VenturesLELeft Lane Capital

Ranla is an AI growth engineer that runs growth marketing across search, Reddit, paid ads, lifecycle email, AEO, and social, while shipping the code needed to wire product events and conversion tracking via GitHub pull requests.

AI & Machine LearningMarketing TechSaaS

KTKurtis Tryber(Founder)in

Rapidfolio automates manual processes for the financial industry using AI.

AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US

NQNaveen Qureshi(CEO)inFVFrederik Vanhevel(CTO)in

Co-investorsRERebel FundVEVela PartnersAAAAF Management Ltd.ALAltari VenturesBLBlast.ClubGEGE Ventures+6 more

Rappi is a delivery and logistics platform that connects merchants and delivery partners with millions of users across multiple countries in Latin America, offering immediate delivery services and payment opportunities for couriers.

ConsumerE-commerceFintechFoodTechLogistics & Supply ChainMarketplacesBogotá, CO

SBSimon Borrero(CEO)inSMSebastian Mejia(Founder)inFVFelipe Villamarin(Founder)inSBSimón Borrero(Founder)inFelipe Villamarina(Founder)Felipe Villamarín(Founder)

Co-investorsANAndreessen HorowitzARARTFO Holdings LLCBABase PartnersDVDVCFJFJ LabsFLFloodgate+45 more

Rapportive displays contact information and social profiles directly within email clients, allowing users to view photos, locations, and professional details about message senders and connect with them on social networks.

Enterprise SoftwareFuture of WorkMedia & EntertainmentSan Francisco, US

RVRahul Vohra(CEO)inMKMartin Kleppmann(Founder)SSSam Stokes(Founder)in

Co-investors50500 GlobalBOboldstart venturesKIKima VenturesZEZelkova Ventures

Raptor Maps provides AI-powered analytics and automation software for solar plant operations, helping owners, operators, and engineers reduce costs and losses through visual data analysis and autonomous drone inspections.

Advanced ManufacturingAgTechAI & Machine LearningClimate TechBoston, US

NVNikhil Vadhavkar(President and CEO)inEOEddie Obropta(CTO)inForrest Meyen(Founder)Courtney Strauss(Business Operations Manager)Assaf Weinberg(Head of Engineering)Elizabeth Bennett(People Operations Coordinator)

Co-investorsARArgonautic VenturesBLBlue Bear Capital PartnersBUBuoyant Ventures Management, LlcCLClean Energy VentureCOCongruent VenturesDAData Point Capital+17 more

Rare Door operates an ecommerce platform that connects consumers with products available at nearby physical retail locations.

ConsumerE-commerceSan Francisco, US

BABlake Adams(CEO)inADAndii Davis(Founder)in

Rarebird produces specialty coffee containing paraxanthine (Px), a metabolite of caffeine that delivers energy and focus with fewer side effects than traditional caffeine.

ConsumerDirect to ConsumerFoodTechHealthtechWellness & FitnessSan Francisco, US

JDJeffrey Dietrich(Founder)inAnn Dunn Andracchio(Director)Dr. Jeffrey Dietrich(Founder)

Co-investorsFIFirst Round CapitalFUFundersClubJUJude GomilaSOSoma CapitalAGAgFunderGUGuardian Holdings+3 more

Rastro pulls product data from supplier feeds, PDFs, and manufacturer sites to create clean, enriched product catalogs ready for PIM systems.

AI & Machine LearningData & InfrastructureE-commerceEnterprise SoftwareSaaSLondon, GB

BCBaptiste Cumin(CEO)inABAugustin Baudoin(Founder)inPSPapa Sougou Wele(Founder)in

Co-investorsSTStemAI VCSUSunset Venture Partners

Rasyn.ai offers Marigold, an AI research assistant that lets scientists ask research questions, run tools, or delegate entire tasks, returning results such as structures, charts, code, and papers in panels.

AI & Machine LearningBiotechDeep TechHealthtechSaaSSan Francisco, US

ACAyush Chauhan(CTO)inDHDaood Hashmi(Founder)inAnsh Tiwari(CEO)

Co-investorsARArray Ventures Management LlcCACaladanCACapitalize VCCHCharacterGEGeneral AdvanceINInflection Point Ventures+4 more

RATLOG develops reusable heavy-lift rockets for space launch and transport.

Advanced ManufacturingSpace TechDresden, DE

CWCharlie Weise(Founder/CEO)inMDMatty Driesnack(Founder/COO)inFKFelix Kelm(Founder/Engineering)inPKPaul Kunhart(Founder/CTO)in

Raven develops AI assistants for manufacturing plants that help with operations including training, job planning, troubleshooting, and real-time analytics, integrating with existing industrial systems.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareBengaluru, IN

PSPriyansh Srivastava(Founder)inSSSriyansh Srivastava(Founder)inParth V(Recruiting Consultant)

Co-investorsELElron VenturesFIFifth WallJIJibe VenturesNONorwest Venture PartnersPEPeterson Venture PartnersRERedSeed Ventures+5 more

Raven Tech develops artificial intelligence and data processing systems, with a focus on next-generation operating system technology.

Data & InfrastructureEnterprise SoftwareBeijing, CN

CLCheng Lu(CEO)Rui XiYiming (Ben) Wu(Founder/Operating Director)XMXinjie Ma(CMO)in

Co-investorsBABAI capitalDCDCM VenturesMAMatrixMSMSA CapitalZHZhenFund

Ravion provides a deployment and infrastructure-management platform that runs inside a customer's own AWS account, offering a unified interface for provisioning, deploying, and operating Terraform resources, builds, and deployments.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSDayton, US

BBBrandon Bayer(Founder)inMAMina Abadir(Founder)in

Co-investorsRERebel FundSOSoma CapitalTRTRAC (Third Round Analytics Capital)TRTranspose Platform ManagementACActive CapitalCECervin+4 more

Ravn provides embedded engineering squads of senior product engineers to help companies accelerate product development and AI implementation.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareGovTechBoston, US

JBJake Bullock(Founder)inPaul Michalczuk(Vice President of Hardware)Kyle Mallory(Vice President of Software)Sam Weiss(Head of Hardware)

Co-investorsJ2J2 VenturesRRRRE VenturesSOSocial StartsABAbstract VenturesAUAult Krug VenturesJOJoyance Partners+2 more

Ravti provides a software platform for commercial property owners to manage HVAC systems, including maintenance scheduling, repair procurement, and capital planning, while reducing costs and automating the bidding process.

PropTechSaaSNew York City, US

ARAlex Rangel(Founder)inCGChris Ginter(Founder)inDeepak Jhalani(CTO)Justin Mulvaney(Director of Data)

Co-investorsHOHomebrewMEMetaProp VenturesNANavitas CapitalAVAvlok CapitalMEMetaPropPAPalm Drive Capital+5 more

A browser extension or command bar interface for the Arc browser that enables users to search and navigate browser history, manage open tabs, and access productivity tools like ChatGPT integration and system utilities.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareFuture of WorkSaaSLondon, GB

TMThomas Mann(Founder)inPNPetr Nikolaev(Founder)inThomas Paul Mann(Founder)Daniel Sequeira(Engineering Manager)

Co-investorsACAccelATAtomicoCHChapter OneCOCoatue ManagementMAMaximilian StoiberATAtlassian Ventures+3 more

Raycaster is an AI workspace that reviews and revises regulatory and clinical documents (protocols, reports, modules, quality documentation) for biopharma companies to keep submissions aligned with scientific changes.

AI & Machine LearningBiotechEnterprise SoftwareFuture of WorkHealthtechSaaSNew York City, US

LLLevi Lian(CEO)inAnthony HumayDiem Linh Dang(Growth)Una Siu(Growth)Yifan Zhou(Tech Lead)team raycaster(Recruiter)

Co-investorsMAMaxitechANAndreessen HorowitzPHPhoenix FundRORock Yard VenturesSASAV (Scale Asia Ventures)

Razorpay provides payment processing APIs and financial services for online merchants, schools, and ecommerce businesses, offering payment acceptance, disbursement, current accounts, and working capital loans.

E-commerceEnterprise SoftwareFintechSaaSBengaluru, IN

HMHarshil Mathur(CEO)inSKShashank Kumar(Founder)inRamya SreedharaPrashanth MSSirisha ReddyAnuradha

Co-investorsALAlkeon InnovationFUFundamentumGMGMO VenturePartnersGRgrowX VenturesIIIIMA VenturesLILightspeed India Partners+24 more

rct AI develops artificial intelligence systems for non-player characters in video games and metaverse environments, using deep learning and reinforcement learning to create interactive and adaptive gameplay experiences.

ConsumerGamingMedia & EntertainmentLos Angeles, US

XMXinjie Ma(Founder)inCheng Lyu(Founder)Xiaolong Mu(Creative Director)XWXiankun Wu(President)inCYChen Yuheng(COO)inSergio C(Founder)

Co-investorsLELeonis CapitalLULucidBlue VenturesPKPKSHA Technology CapitalY2Y2Z VenturesBOBonfire UnionFBFBG Capital+7 more

RDash is a construction management software that helps builders, contractors, and design firms manage projects through features covering design management, procurement, progress reporting, site quality control, and financial tracking.

Construction TechData & InfrastructureEnterprise SoftwareSaaSGurugram, IN

ABAmit Bansal(Founder)inPBPuneet Bansal(Founder)inAmit MishraPrashasti Gandhi(HR Manager)Kuldeep Bisht(Recruiter)

Co-investorsCACathexis VenturesNUNurture Venture PartnersPIPioneerSTStellaris Venture Advisors 2 LlpBEBetatron Venture GroupNUNurture Ventures+4 more

Reach develops wireless power beaming technology using AI-driven adaptive systems to transmit electricity over distance to devices and systems, similar to how Wi-Fi transmits data.

Advanced ManufacturingAI & Machine LearningClimate TechDeep TechEnergySan Francisco, US

CDChristopher Davlantes(Founder)inHSHunter Scott(Hardware Systems Lead)Brandon Le(CEO)BGBrian Gitt(Head of Sales and Business Development)insammy@reachlabs.coGustavo Navarro(Software Systems Lead)

Co-investorsCOCoalitionCOCollaborative FundDODorm RoomFUfutureland venturesINIn-Q-TelSOSoma Capital+7 more

Reach is an AI search research lab that helps growth-stage B2B and SaaS companies improve organic and AI search as a growth channel, combining AI-driven execution with expert calibration.

AI & Machine LearningMarketing TechSaaSSales Tech

Co-investorsBYBynd Venture CapitalINInterlagos

Reacher is a SaaS platform that automates TikTok Shop affiliate management by using AI to discover relevant creators, send personalized outreach, manage creator relationships, and track sales metrics.

AI & Machine LearningCreator EconomyE-commerceEnterprise SoftwareMarketing TechSaaSSan Francisco, US

JQJerry Qian(CEO)inBMBora Mutluoglu(Founder)inJamie Tsai(Recruiter)

Co-investorsEIEight CapitalMAMaiora Rebel VenturesPIPioneerRERebel FundACAcacia Venture Capital PartnersAMAmino Capital+1 more

ReactWise develops AI tools for chemistry and chemical engineering, enabling researchers and engineers to accelerate molecular discovery and reaction optimization.

AI & Machine LearningBiotechDeep TechDeveloper ToolsEnterprise SoftwareLondon, GB

APAlexander Pomberger(CEO)inDWDaniel Wigh(CTO)in

Co-investorsINInnovate UKVEVerein Swisspreneur

Read Bean is a mobile app for learning Chinese through graded readings adapted from real news and authentic content, personalized to the learner's proficiency level from HSK 1 to 6.

ConsumerEdTechNew York City, US

MZMaggie Zhang(Founder)inSLSavannah Liu(Founder)inPearl Li

Co-investors7777 PartnersAMAmino CapitalGOGoodFin VenturesOAOasis CapitalUNUnpopular Ventures

Readily is an AI-powered compliance platform for healthcare organizations that automates regulatory analysis, audit management, and policy updates.

AI & Machine LearningHealthtechSan Francisco, US

ETEdward Tiong(Founder)inWAWei An Wang(Founding Engineer)inIhsaan PatelVishwa Reddy Akkati(Fullstack Engineer)Joshua Rubin(Founding Engineer)Saad Saeed(Head of Engineering)

Co-investorsSUSUTD Venture Holdings Pte. Ltd.AGAgrolimen Ventures

ReadMe is a developer hub that provides API documentation, monitoring, and developer engagement tools for API-first companies.

Cloud ComputingDeveloper ToolsEnterprise SoftwareSaaSSector AgnosticNew York City, US

GKGregory Koberger(Founder)inGabriel Dillon(Developer Evangelist)Mary Hoffbeck(People Ops)Dominic Harrington(Engineering Manager)Tony Li(Head of Design)Nick Starkey(Hiring Manager)

Co-investorsACAccelF-F-Prime CapitalGRGreat Oaks Venture CapitalHEHeavybitMIMission and MarketSOSoma Capital+5 more

Ready provides software that enables utility companies and their stakeholders to coordinate operations and service delivery, with the goal of improving customer access to utility services while reducing costs.

Enterprise SoftwareFintechSaaSSan Francisco, US

JWJase Wilson(Founder)inMFMike Faloon(Founder)inGerald Goldstein(Founder)Itamar Lesuisse(Founder)Julien Niset(Founder)Chaitanya Desai(Vice President Product)

Co-investorsARArbor VenturesKUKube VCSPSprint VcAJAJGBIBitkraft Esports VenturesCACaffeinated Capital+6 more

Ready Education provides a campus experience platform for higher education institutions that integrates academic and co-curricular learning experiences to enhance student community and retention.

ConsumerEdTechFuture of WorkSaaSSocialMontreal, CA

DJDanial Jameel(CEO)inADAlice Dinu(Vice President Student Success \u0026 Research)inJDJames Dang(Founder)inGAGary Ambrosino(Chief Executive Officer)in

Co-investorsFOFounderFuelFUFundersClubGOGoAhead VenturesLELevel EquityLELevel VenturesLILiquid Ventures+2 more

ReadyForZero built a web and mobile platform that helped people create debt repayment plans, process payments, monitor credit scores, and track progress toward reducing their debt obligations.

FintechLos Angeles, US

RERod Ebrahimi(CEO)inIgnacio Thayer(CTO)inCGChris Granger(Software Engineer)inKYKevin Yu(Head of Content Marketing)inLBLoren Baxter(Lead Designer)in

Co-investors50500 GlobalCICiti VenturesPOPolaris Partners

Real Artists develops a natively-built issue tracker designed for rapid performance on software development projects.

Developer ToolsEnterprise Software

JHJames Howard(Founder)inNick Sivo

RealCrowd operates a marketplace providing individual investors with access to private equity and real estate investment opportunities, typically reserved for institutional investors.

FintechMarketplacesPropTechPortland, US

AHAdam Hooper(CEO)inANAndy Norborg(CTO)JD Conley(CTO)Roman Rosario

BoardJohn D. Conley(Director)

Co-investorsZEZenStone Venture CapitalANAndreessen HorowitzATAthena AdvisorsBEBEENEXTDCDCVC (Data Collective)GRGreat Oaks Venture Capital+2 more

Reality Defender develops an AI platform for detecting deepfakes and synthetic media, serving enterprise organizations to prevent fraud and impersonation.

AI & Machine LearningCybersecurityDefense TechEnterprise SoftwareSaaSNew York City, US

BCBen Colman(CEO)inGBGaurav Bharaj(Co-Founder, AI)inASAli Shahriyari(CTO)inLBLars Buttler(Founder)inMilos Fulton(Head of Finance/Operations)inNicolò Bonettini(R\u0026D)

Co-investorsAMAmino CapitalARArgon VenturesBABantam GroupBOBooz Allen VenturesDCDCVC (Data Collective)EVEvolution VC Partners+21 more

Realm provides an embedded database engine for mobile applications, serving as an alternative to SQLite and Core Data.

Data & InfrastructureEnterprise SoftwareSan Francisco, US

ASAlexander Stigsen(CTO)inBCBjarne Christiansen(Founder)inLiz Young(Founder)

Co-investorsDCDCVC (Data Collective)LELerer HippeauSCScale Venture PartnersANAndreessen HorowitzCRCrystal Towers CapitalEREricsson Ventures+12 more

RealRoots is a women's community platform that matches compatible women in the same city for in-person social experiences, including guided group events, one-on-one introductions, and social clubs.

B2B MarketplacesConsumerMarketplacesSocialSan Francisco, US

DLDorothy Li(CEO)inTKTara Kappel(CPO)in

Co-investorsATAtland VenturesAUAUTHENTIC VENTURESEIEight CapitalLOLobster CapitalLOLombardstreet VenturesPIPioneer+16 more

Ara is an autonomous coding agent that monitors development work, plans subsequent steps, and executes coding tasks using its own resources and memory to assist software teams in collaborative development.

Developer ToolsEnterprise SoftwareFuture of WorkSan Francisco, US

ASAdi Singh(CEO)inSMSven Myhre(CTO)in

Co-investorsAQAquiline Technology Growth

ReasonBlocks provides a runtime layer that optimizes AI agent performance by correcting reasoning processes and reducing token usage during execution, resulting in lower costs and improved reliability across repeated operations.

Enterprise SoftwareSan Francisco, US

SMSajeev Magesh(CEO)inRVRohan Vij(CTO)in

Co-investors51515 VenturesAMAmino CapitalCACapitalize VCMEMetsu CapitalOUOurCrowdRIRitual Capital+1 more

Rebellyous develops plant-based chicken nuggets and proprietary manufacturing systems designed to enable efficient, clean food production with improved working conditions.

Advanced ManufacturingClimate TechFoodTechHealthtechImpact & Social GoodSeattle, US

CLChristie Lagally(CEO)inJTJonathan Tang(Investor)in

Co-investorsAGAgronomicsBLBlue Horizon CorporationCLClear Current CapitalE8E8 AngelsFIFifty YearsG G Ventures+22 more

Rebill is a payment infrastructure platform designed for Latin America that enables businesses to accept payments using local methods across major markets with minimal integration time.

Enterprise SoftwareFintechSaaSBuenos Aires, AR

NCNahuel Candia(CEO)inADAriel Diaz Ailan(Founder)inRuben Maier Enzler(Senior Software Engineer)

Co-investorsEXExceptional CapitalMAMagma PartnersSOSoma CapitalACAccelALAlt CapitalANAnthony Pompliano+16 more

Reble provides desktop software for Windows that enables peer-to-peer music streaming among users within their friend network who have the application installed.

ConsumerMedia & EntertainmentBoston, US

NMNick Meyer(Founder)in

Co-investorsTATandem Capital

Rebolt generates autonomous software that automates core business operations across manufacturing, construction, architecture, automotive, and media by connecting business objects and processes into a live operating model.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

CMCelia Manzano(Founder)inJSJavier Sanchez(CTO)inManuel Suarez

Co-investorsANAndreessen HorowitzBRBragiel BrothersMAMasiaVEVercelZEZeno Ventures

Recall operates a platform where users can test, fund, and invest in AI models and agents through a token-based ranking and curation system.

AI & Machine LearningB2B MarketplacesCrypto & Web3

PRPaul Richards(Founder)inIGIgor Gligorevic(Founder)in

Co-investorsBEBessemer Venture PartnersBEBetaworksCOCoinFundCOCollab+CurrencyCOConsenSys MeshDIDigital Currency Group+13 more

Recall.ai provides meeting recording and transcription APIs and SDKs that capture individual speaker audio for accurate, multi-speaker transcripts.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

DGDavid Gu(Founder)inAZAmanda Zhu(COO)inEric LiTCTed Chai(Chief of Staff)inElliot Levin(Engineer)Dhruv Parmar(Founding Engineer)

Co-investorsAVavraBEBessemer Venture PartnersCACathexis VenturesFUFundamental VenturesHUHubSpot VenturesIRIrregular Expressions+20 more

Recidiviz provides a presentence investigation module that gathers criminal history, institutional data, and social determinants to help investigators produce evidence-based reports and identify effective interventions.

GovTechImpact & Social GoodLegalTechSaaSNew York City, US

JEJoshua Essex(Founder)inCJClementine Jacoby(Executive Director)inLBLeonard Bogdonoff(Volunteer Software Engineer)inSerena Chang(Chief Impact Officer)

RecipeUI is an open source tool for testing and debugging APIs that lets non-backend engineers diagnose API failures independently.

Developer ToolsEnterprise SoftwareSan Francisco, US

SSSamuel San(Founder)inJeane Carlos

Co-investorsANAndreessen Horowitz

Reclaim Protocol provides automated credential verification across employment, education, loyalty, and other categories using AI-assisted connectors and cryptographic verification.

AI & Machine LearningData & InfrastructureEnterprise SoftwareHR TechHyderabad, IN

MMMadhavan Malolan(Founder)inSKSriharsha Karamchati(Founder)inSKSubhash Karri(COO)inAbhilash Inumella

Co-investorsLELemniscapALAlameda ResearchCOCoinbase VenturesDRDragonflyHAHashedMSMSA Capital+2 more

Reconero develops AI tools that automate administrative tasks for police officers, including report writing, forms, and analytics.

AI & Machine LearningGovTechSaaSSan Francisco, US

RARiwan Azeroual(Founder/CEO)inE"Edward "JiuJiu" Liu(Founder/CTO)in

Recordbook is a table-first, no-code workspace for structuring operational data such as sales logs, collections, inventory, customer records, and field reporting.

Enterprise SoftwareFuture of WorkSaaSBengaluru, IN

ACAbhishek Choudhary(Founder)inRobbin Singh

Co-investorsCACapria VenturesFIFirst ChequeINIndia QuotientGLGlobal Founders CapitalGOGoodwater CapitalMYMyAsiaVC+2 more

Recover provides evidence-based addiction treatment using technology and clinical care to help patients find recovery.

Digital HealthHealthtechMental HealthSaaSWellness & FitnessSan Diego, US

NGNick Gulino(CEO)inDylan de Waart(Founder Emeritus)in

Co-investorsCACathexis VenturesGOGoldman SachsSPSparrow CapitalSPSpringbank

A music discovery platform where listeners vote on indie tracks using a daily allotment of hearts, earn reputation and badges for engagement, and organize music into tag-based playlists.

ConsumerSocialSan Francisco, US

Samuel Hsiung(Founder)James Miao(Designer)

Co-investorsGRGreylock Partners

Recurrency builds an ERP platform for distributors that automates functions like sales recommendations, pricing, and demand forecasting, integrating with existing legacy systems for rapid deployment.

AI & Machine LearningEnterprise SoftwareSaaSSales TechSan Francisco, US

SOSam Oshay(Founder)inFabrizio Milo(Head of ML)Pierrick Ganon(Head of Engineering)Grace Boatman(Head of Data Science)Rob Owen(Head of Operations)Manoj Patel(Frontend Lead)

Co-investorsAVAvenir Growth CapitalBEBessemer Venture PartnersCOContraryDIDiagram CapitalSUSuperSeed VenturesTQTq Ventures Llc+4 more

The Recurse Center is a self-directed learning community for programmers, founded in 2011, that helps people direct their own technical education and growth.

Developer ToolsEdTechFuture of WorkNew York City, US

NBNicholas Bergson-Shilcock(Founder)inSSSonali Sridhar(Founder)inDADavid Albert(Co-founder)inDavid Albert.(Founder)Nick Bergson-Shilcock(Founder)Cindy Wu(Recurser)

Co-investorsAGAgrolimen VenturesFOFounder CollectiveSVSV Angel

Red Barn Robotics develops autonomous weeding robots for farms to eliminate intra-row weeds without human intervention, reducing labor costs and protecting soil health.

Advanced ManufacturingAgTechHardwareRoboticsSeattle, US

AIAdam Iseman(CEO)inIKIlya Kelner(CTO)inANAlex Neff(COO)in

Co-investorsPIPioneerRERegion CuatroVEVermilion Cliffs VenturesAGAgrolimen VenturesALAliaksandr HudzilinBABatch Ventures+5 more

Redapto is an agentic AI platform for critical operations in manufacturing, logistics, energy, and defense, connecting fragmented systems, operational context, and frontline decisions into one governed operating layer with human oversight.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSan Francisco, US

APAnirudh Pupneja(CTO)inCheril Shah

Redbean is a platform where users create and interact with AI-powered characters (called Digital Pals) that understand context and emotion, remember interactions, and evolve over time.

AI & Machine LearningConsumerCreator EconomyGamingSingapore, SG

VLViet Long Tran(Founder)inThanh Nguyen

Co-investorsALAlpha JWC VenturesGLGlobal Founders CapitalGOGolden Gate VenturesHAHarvard Management CompanyHUHustle FundSOSoma Capital+1 more

Redbird provides an AI-powered conversational platform that automates analytics, operations, and reporting workflows for business teams.

AI & Machine LearningData & InfrastructureEnterprise SoftwareNew York City, US

ETErin Tavgac(Founder)inDTDeren Tavgac(Founder)in

Co-investorsALAlumni VenturesB B Capital GroupB4B4 CapitalFOFoundersX VenturesPHPhoenix FundSOSoma Capital+10 more

RedBrick AI provides an annotation platform for medical imaging that enables radiologists and AI developers to create training datasets for radiology AI applications.

AI & Machine LearningEnterprise SoftwareHealthtechMedical DevicesClaymont, US

DLDerek Lukacs(Founder)inShivam Sharma(Founder)Ben Stewart(Customer Success Manager)Sneha Sreekumar(Head of Talent)

Co-investorsPEPeak XV PartnersSESequoia CapitalSUSurge

RedCarpet issues credit cards to Indian consumers who lack credit history and cannot obtain cards from traditional banks.

FintechGurugram, IN

KVKartik Venkataraman(Founder)insandeep srinivasa

Co-investorsLILightspeed India PartnersLILightspeed Venture Partners

Redcliffe Labs is a diagnostic services company offering doctor-curated health checkup packages, genetic and pathology testing, along with expert consultation, AI assistance, and personalized health guidance.

BiotechDigital HealthHealthtechMedical DevicesDelhi, IN

DJDheeraj Jain(Founder)inAKAditya Kandoi(Founder)inAshish Dubey

Co-investorsALAlkemi Growth CapitalCACathexis VenturesCHChiratae VenturesFUFundamental VCHEHealthQuadKUKube VC+10 more

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

MBMartin Bittner(CEO)inASAndrey Santrosyan(CTO)inHaotian Li

Co-investorsTRTranspose Platform ManagementOXOxford Seed FundPRProCap VelocityTETekedia CapitalTITiny Supercomputer Investment Company

Redoubt is a Utah-based independent commercial insurance agency serving small businesses nationwide, with a focus on contractors, service providers, and trucking companies.

AI & Machine LearningFintechInsurTechSalt Lake City, US

ABAndre Beukers(CEO)inTyler Johnson

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

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

MBMackenzie Burnett(CEO)inDGDan Gillespie(CTO)in

Co-investorsINInvesto CapitalSOSound Ventures

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

E.eleazar .(Head of Software)inDHDylan Hand(Lead Hardware Engineer)inWKWilliam Koven(Founder)in

Co-investorsDRDraper AssociatesGRGrowbig VenturesMIMicroVentures

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

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

AAAdit Abraham(COO)inRCRaunak Chowdhuri(CEO)inAdit Abraham Raunak Chowdhuri(Founder)Spence Hoffman(Recruiting Lead)Tiffany Siu(Head of Recruiting)Mark Terwilliger(Chief of Staff)

Co-investorsANAndreessen HorowitzAVavraBOBoxGroupFIFirst Round CapitalSVSV AngelWNWndrCo+2 more

Reebee is a mobile app that lets shoppers browse local retail flyers, search products, and manage a shopping list, while offering retailers targeted digital flyer distribution with measurable consumer engagement data.

B2B MarketplacesConsumerMarketplacesRetail TechKitchener, CA

TDTobiasz Dankiewicz(Founder)inMMMichal Martyniak(Founder)in

Co-investorsFUFundersClubGAGarage CapitalSASam Altman

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

AGAnkita Ghoshal(Founder)inPGPrianka Ghoshal(COO)in

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

CybersecurityEnterprise SoftwareIoTLogistics & Supply ChainSaaSLondon, GB

DSDavid Stanton(Founder)BKBrian Krejcarek(Founder)inSteve Swinbank(Head of Software)Tom Carter(COO)Joe Rinaldi(Head of Talent)Sian Llewellyn(Talent Partner)

Co-investors50500 GlobalAMAmigos Venture CapitalMOMoneta VenturesPIPioneerPJPJCRARaptor Group+8 more

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

NJNeil Joglekar(Founder)inCYChristian Yang(Founder)in

Co-investorsOTOtto Capital GroupPRProsperity7 Ventures

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

AJArnav Joshi(CEO)inDaniel Zamoshchin

Co-investorsPRPrimitive VenturesAGAgrolimen VenturesGEGeneral CatalystUNUnpopular Ventures

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

Rasmus ChowDaniel Chua

Co-investorsSOSovereigns Capital Venture

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

FNFitz Nowlan(Founder)inTMTodd McNeal(Founder)inAlex MacCaw(Founder)Vojtech Rinik(Founder)

Co-investorsSOSoma CapitalBABattery VenturesCRCraft VenturesDFDFJPEPETER FISHMANTETechstars

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

NRNikhil Rao(Founder)inAPAlek Petuskey(Founder)inJackie Tung(Founding Engineer)Masen Furer(Founding Engineer)Simon Young(Founding Engineer)Tom Gotsman(Founding Engineer)

Co-investorsLALattice CapitalABAbstract VenturesANAnsa CapitalBOBoxGroupLULux CapitalOUOutset Capital+10 more

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

AdTechAI & Machine LearningEnterprise SoftwareGamingMarketing TechSan Francisco, US

RHRobert Huynh(Founder)inOXOscar Xing Luo(CTO)inLee Wang(COO)Nathaniel RiccaPhuong Huynh(Head of AI Operations)Duy Trieu(Tech Lead)

Co-investorsPHPhoenix FundASAsymmetry VenturesD D Global VenturesDCDCM VenturesGOGoodwater Capital

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

OAOmar Abuhashish(CEO)inPGPradhit Gosula(Founder)inSaif Abuhashish

Co-investorsEIEight CapitalFUFundersClubMAMaiora Rebel VenturesPIPioneerRERebel Fund7777 Partners+2 more

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

ConsumerDigital HealthHealthtechMental HealthWellness & FitnessAtlanta, US

VPVedant Pradeep(Co-Founder & CEO)inZGZiyi Gao(Co-Founder & COO)inBZBryan Zin(Founder)inAnna Lou(Ops Lead)Arsheen Kour(Executive Assistant)Leah Givarz(Executive Assistant)

Co-investorsATAtlanta Tech VillageCACathexis VenturesMSMS&AD VenturesPIPioneerSASaga VenturesCRCrystal Towers Capital+9 more

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

BZBryan Zin(Founder)inEric Wiener

Co-investorsINInvestorXBOBoost VCCUCubit CapitalEAEarthling VCECEclipseFOFounders Factory+3 more

Reframe built tools to model and visualize the architecture of software codebases.

Developer ToolsEnterprise Software

CRCameron Reynoldson(Founder)inJuan Penaranda(Founder)

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

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

CSChristopher Settles(CEO)inEQErik Quintanilla(CTO)in

Co-investorsEDEdison PartnersANAntlerDEDeming Sky Inc.

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

NANatalie Aresta-Katz(CEO)inESEthan Shea(CTO)in

Co-investorsANAndreessen HorowitzCRCRV (Charles River Ventures)LOLong Journey VenturesWAWaymakers

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

BTBilly Thalheimer(Founder)inMKMichael Klinker(Founder)inMike Klinker(Founder)THTom Harari(Vice President Strategy \u0026 Corporate Development)inSusan Hendrix(Lead Technical Recruiter)Jody Simon(Sourcing Lead)

Co-investorsFOFounders FundAUAurum Venture PartnersDADarco CapitalDODolby Family VenturesFUFuture Planet CapitalGLGlobal Brain+31 more

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

MCMarika Chen(Founder)inSofia ChenJeremy Poteck

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

AI & Machine LearningEnterprise SoftwareFintechLegalTechSan Francisco, US

MGMukund Goenka(CEO)inPBPavan Bayyapu(CTO)inPBPaul Bruin(CPO)inMatt Ruggiero(Head of Marketing)Pierce Gaynor(Head of Product)Julianna Meidell(Vice President of Marketing)

Co-investorsACACME CapitalGAGagarin Capital PartnersGMGMO VenturePartnersTATaver CapitalVEVentureSouq

Rehook.ai offers a customer engagement platform that analyzes data from multiple sources to deliver personalized experiences across channels.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSBengaluru, IN

ASAkhil Suhag(Founder)inMAMukul Anand(Founder)inTDTushar Dhara(Founder)inASAkshay Suhag(Founder)in

Co-investorsBEBEENEXTGOGoodwater CapitalLOLocus VenturesPIPioneerSHShiprocketSISingularity Ventures+1 more

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

Developer ToolsEnterprise SoftwareAmsterdam, NL

WKWilco Kruijer(CEO)inJSJan Schutte(CTO)in

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

AI & Machine LearningDigital HealthHealthtechSan Francisco, US

R.Rituraj .(Founder)inRRRitu Ranjna(Founder)inRituraj Yadav(Founder)R.Rituraj ..(Founder)inRitu raj(Founder)in

Co-investorsGAGaingels

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

GMGlenn Markov(Founder)inJRJohn Ramunas(Founder)inWOWill Olsen(Vice President Of Development)in

Co-investorsASAsymmetry VenturesGOGold Dragon VenturesLILifespan Vision VenturesSTStartupsSTStartXAGAgrolimen Ventures+7 more

Reka builds AI models and infrastructure for physical-world applications, including a multimodal inference engine and API, video-processing infrastructure for tagging, searching, and reasoning over large video datasets, and a training-data platform (Claru) providing egocentric video, robotics trajectories, and world-model footage.

AI & Machine LearningData & InfrastructureDeep TechSunnyvale, US

CDCyprien de Masson d'Autume(Founder)inDYDani Yogatama(Founder)inCyprien D(Founder)MAMikel Artetxe(Founder)inQi Liu(Founder)inYi Tay(Founder)

Co-investorsCACathexis VenturesFJFJ LabsNENew York Life VenturesRARadical VenturesBOBond Capital ManagementDSDST Global+4 more

Rekursiv.ai builds autonomous systems of AI models that act as "AI Scientists," forming hypotheses, designing and running experiments, and discovering new knowledge such as novel machine learning algorithms.

AI & Machine LearningDeep TechEnterprise SoftwareFuture of WorkSan Francisco, US

JDJoshua Dillon(Founder)inDKDan Kondratyuk(Founder)in

Co-investorsVEVela Partners

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

PZPreston Zhou(Founder)EBEitan Borgnia(Founder)inElijah Sorey

Co-investorsAMAmino CapitalANAndreessen HorowitzMAMatrixPIPioneerLILiquid VenturesPHPhoenix Fund

Relationship Hero connects people with professional relationship coaches for one-on-one guidance via chat, phone, or video.

ConsumerMarketplacesSocialWellness & FitnessSaratoga Springs, US

LSLiron Shapira(CEO)inSabby Choudhary(Marketing Director)inLior Gotesman(COO)

Co-investorsFUFundersClubMEMetaplanetBLBlue Field CapitalFCFCVCFOFoundation CapitalFUFull Tilt Capital+4 more

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

TETim Ellis(CEO)inJNJordan Noone(CTO)inESEric Schmidt(CEO)inALAlex Levy(Investor)inNatalie EstrellaArleen Giger(Principal Recruiter)

Co-investorsAIAidenlair CapitalARARA NEA Ventures (Brand: Dmz.Xyz)AUAurum Venture PartnersBABalerion Space VenturesBABaruch Future VenturesBOBold Capital Partners+62 more

Relaw is a "Legal Operating System" that combines practice management, client intake, a branded client portal with messaging and e-signature, CRM, billing, and AI tools (document drafting, meeting notes, and research) on a single client record for law firms.

AI & Machine LearningLegalTechSaaS

CFChris Farestveit(Founder)in

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

CRChandler Rogers(Founder)inJKJace Kendrick(Founder)inNicholas Van Slooten

Co-investorsCACampus Founders FundFIFirst Trust Capital PartnersRBRBCxUNUnion Square Ventures (USV)VEVentures TogetherGOGoodwater Capital+1 more

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

KNKenna Nzewi(CEO)inUAUzoma Ayogu(CTO)inIkenna Nzewi(Founder)Isaiah UdotongAda Umendubuisi(Recruiter)Kingsley Neequaye(Chief of Staff)

Co-investorsDUDuke Capital PartnersFIFINCA VenturesFLFlori VenturesFUFuture AfricaBRBreakthrough Energy VenturesMEMetis Capital

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

DGDavid Giffin(Founder)inELErik Landerholm(Founder)inTMTommy McClung(Founder)inKelsey Chamness(CRO)Jimmy Bried(Sales Director)Matt Carter(CMO)

Co-investorsCRCRV (Charles River Ventures)SOSoma CapitalARArtisanal VenturesBOBow CapitalHAHack VCSESequoia Capital

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

BiotechHealthtechMedical DevicesGalway, IE

ALAlison Liddy(CEO)inMOMartin O'Halloran(Scientific Advisor & Co-Founder)inBarry McDermott

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

Digital HealthHealthtechInsurTechLagos, NG

FKFemi Kuti(CEO)inMMMatthew Mayaki(Senior Vice President Product)inOOOpeyemi Olumekun(COO)inAdebayo Aderohunmu(Recruitment Associate)Joshua Banye(Vice President, People Operations)Leye Odumuyiwa(Engineer Manager)

Co-investorsASAsia Africa Investment & Consulting (AAIC)GEGeneral AtlanticLALaerdal Million Lives FundLOLoftyInc CapitalP1P1 VenturesPAPartech Ventures+15 more

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

Advanced ManufacturingAI & Machine LearningData & InfrastructureEnterprise SoftwareRoboticsSan Francisco, US

JRJai Relan(CEO)inASAnya Singh(CTO)inVidyut Baradwaj(dude)David Lam(Staff)

Co-investorsTRTranspose Platform Management

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

BBBharath Bhat(CEO)inSSSimranjit Singh(CTO)in

Co-investorsMAMaiora Rebel VenturesRERebel FundGOGoodwater CapitalPJPJC

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

AMAlex Matthews(Founder)inCAChristos Antonopoulos(CEO)inBBBlendi Bylygbashi(Founder)inRSRehan Sheikh(CTO)in

Co-investorsANAndreessen Horowitz

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

Enterprise SoftwareFuture of WorkCA, US

GCGabor Cselle(Founder)inEVEinar Vollset(Founder)in

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

SOSamuel Okwuada(Founder)inVBVictor Benjamin(Founder)in

Co-investorsALAlumni VenturesCACapria VenturesCACathexis VenturesGRGrant Park VenturesINIngressive CapitalQEQED Investors+13 more

Remi is a residential roofing company that provides roof replacement and repair services with a guaranteed upfront price and no mid-project cost changes.

Climate TechConstruction TechPropTechSaaSLehi, US

DBDoug Barnett(Founder)inBCBrant Choate(Founder)inA. Tony Amer(Founder)Mohamed Abdou(Founder)Reno Mendenhall(Founder)Dan Conger

Co-investorsCECervinCECERVIN VENTURESPEPelion Venture PartnersTRTransmedia Capital

Remi is a residential roofing company that provides roof replacement and repair with an upfront guaranteed price and no mid-project markups.

Construction TechPropTech

Co-investorsINInterValley VenturesCECERVIN VENTURESPEPelion Venture Partners

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

GovTechLogistics & Supply ChainSaaSSan Francisco, US

TCTiffany Chu(CEO)inSHSam Hashemi(CEO)inDGDaniel Getelman(CTO)inDWDanny Whalen(Founder)inLBLoren Baxter(Product Designer)inTammie Vu

Co-investorsDEDesigner FundENEnergy Impact Partners50500 GlobalAGAgrolimen VenturesBRBragiel BrothersCOCode for America Labs+6 more

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

SKSam Kaplan(CEO)inDaniel Getelman(Founder)inDanny Whalen(Founder)inSHSam Hashemi(Founder)inTCTiffany Chu(Founder)in

Co-investorsCOCorazon CapitalARArchetypeDEDecheng CapitalDEDesigner FundENEnergy Impact PartnersSESequoia Capital+1 more

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

PGPaul Gross(CEO)inDWDean Wise(Founder)Christina Reynolds(Founder)Eric Harding(Founder)Naomi Hyun(Director of People and Culture)Tiff McGuire(Head of Talent Acquisition)

Co-investorsFIFirst Round CapitalJUJuniperLOLowercarbon CapitalRURusheen Capital PartnersUNUnion Square Ventures (USV)VAValor Equity Partners+10 more

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

SSSten Sjöberg(Founder)inKKKevin Kim(Founder)in

Co-investorsCACarbon13AMAmino CapitalCACadenzaSESequoia CapitalTETekedia CapitalZ Z Nation Lab Growth

Remy AI develops robots and AI models for automating manipulation and dexterous handling tasks in warehouses, initially targeting e-commerce third-party logistics providers (3PLs).

Advanced ManufacturingLogistics & Supply ChainRoboticsSan Francisco, US

OBOscar Brisset(CEO)inBKBen Kaye(CTO)in

Co-investorsGOGoodwater CapitalGUGuil Mobility VenturesTETeam Ignite

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

Construction TechPropTechSantiago, CL

AVAriel Vaisman(Founder)inJTJosé Tomás Fernández(Founder)inJuan Pablo MirJoaquin Araujo

Co-investorsFUFundersClubOLOlive Tree CapitalSOSoma CapitalSTStartups191984 Ventures Management, LlcASAsymmetry Ventures+6 more

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

SISean Isom(CEO)in

Co-investorsAGAgrolimen VenturesGEGeneral Catalyst

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

ALAlexander Liteplo(CEO)inEmma Feirstein

Co-investorsMAMaple VC

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

JTJoseph Thalinjan(CEO)inAMAlix Maurin(CEO)inSasha Collin(CTO)Clément Nguyen(Head of Engineering)

Co-investorsHUHustle FundSESecond Century Ventures

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

LZLawrence Zhou(Founder)inLLLee Lin(Founder)inLee C. Lin(Founder)Lux Chen(Director of Product Development)inShane Lee(Manager)Faye Chou(Managing Director)

Co-investorsJOJoyance PartnersSOSocial StartsTWTwo Sigma Ventures

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

NANikhil Abraham(Founder)inSDShaun Davis(Software Engineer)inMatt Kopko(Founder)JSJames Shkolnik(Founder)in

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

BSBen Shumaker(Founder)inIFIzak Fritz(Founder)in

Co-investorsSUSunstone DreamTWTwenty Two VenturesUNUnpopular Ventures

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

MUMatthew Udomphol(CEO)inEPElise Polezel(COO)in

Co-investorsALAlumni VenturesFUFundersClubWAWAFTTWEWestern Technology InvestmentCOCollaborative FundGEGener8tor+7 more

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

CLConnor Loi(CEO)inSASaai Arora(CTO)in

Co-investorsPIPioneerBLBlast.ClubFLFlex Capital PartnersFOFounders' Co-opMEMetsu CapitalRORobinhood+1 more

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

BFBen Firshman(Founder)inAJAndreas Jansson(Founder)inAbby T. Miller(ops)Jill Wohlner(Recruiter)John LaMarche(recruiter)Auni Nair(Ops)

Co-investorsAIAIX VenturesANAndreessen HorowitzAVavraHEHeavybitSESequoia CapitalACActivation Venture+5 more

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

EKEugenia Kuyda(CEO)inPhil Dudchuk(Founder)Philipp DudchukSergey Fayfer(Product)in

Co-investorsACACME CapitalAIAIX VenturesALAll TurtlesLULudlow VenturesZIZillionizeKHKhosla Ventures

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 EconomyData & InfrastructureDeveloper ToolsEdTechEnterprise SoftwareMarketing TechSaaSSan Francisco, US

HAHaya Abdalla(Founder)inAMAmjad Masad(Founder)inHOHaya Odeh(Founder)inLHLuis Héctor Chávez(CTO)Faris Masad(Eng Manager)designer(Founder)

Co-investors13137 Ventures7B7BC Venture CapitalA.A.Capital VenturesABAbstract VenturesAIAIspace VenturesALAllied Venture Partners+66 more

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

YZYuxin Zhu(Founder)inNGNoah Gilmore(Founder)inSteven Schlaefer(Head of Customer Success)Alicia Kranjc(Product Lead)Noreen Valenton(Executive Assistant)Sanjay Jenkins(GTM Lead)

Co-investorsINInfinity VenturesLALa FamigliaTRTrail Run CapitalBABase Case Capital

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

HYHimank Yadav(Founder)in

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

Enterprise SoftwareFintechSaaSNew York City, US

KFKevin Fu(Founder)inJustin Carrao(Executive Officer)Justin Kwok(President)Nico Carlos(Executive Assistant)

Co-investorsSOSoma CapitalUNUncorrelated VenturesVEVentureSouqBABain Capital VenturesCACanaan PartnersFOFounders Fund+9 more

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

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

LMLukas Martinelli(Founder)inRBRob Balian(Founder)inWendy Kyle(Head of Recruiting)

Co-investorsMAMaiora Rebel VenturesRERebel FundRIRitual CapitalGOGopher US VentureLILIONHEART VENTURESRERecursion Ventures+1 more

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

BiotechDigital HealthHealthtechMedical DevicesSan Francisco, US

ADAimee DeGolyer(Founder)inMSMichael Sample(Founder)in

Co-investorsBOBond Capital ManagementHAHarvard Management CompanyHUHustle Fund

Request Network is an open-source, non-custodial payment protocol that lets businesses accept and send stablecoin and crypto payments across multiple EVM chains and Tron, with funds moving directly wallet-to-wallet and a transaction reference attached for reconciliation.

Crypto & Web3Developer ToolsFintechParis, FR

CLChristophe Lassuyt(CFO)inETEtienne TATUR(CTO)inLaure Sassus-Bourda(HR)

Co-investorsCHChronos VenturesBABalderton CapitalINING Bank

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

SJSachin Jain(Founder)inSSSagar Soni(Founder)inSachin Jain Sagar Soni(Founder)Akanksha Bhadauria(Generalist)Sahil GuptaKaavian Sivam(Growth Head)

Co-investors10100x Entrepreneur FundTITitan CapitalASASDF VenturesNENeonPEPeak XV PartnersVAValon Capital

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