Preston-Werner Ventures — Full Portfolio

Retrace is an open-source record-replay tool and AI debugger for Python that captures failed pytest and CI runs as replayable .retrace artifacts, letting an AI debug backwards from real runtime values to the root cause.

AI & Machine LearningDeveloper ToolsSaaS

Co-investorsACAccelerated Digital VenturesSOSoftBank Group

Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour.

Climate TechDeep TechEnergyHardwareAustin, US

MMatt(Co-founder)inYYasir(Co-founder)inYAYasir Arafat(CTO, President, & Cofounder)inMatt Loszak(CEO & Cofounder)in

Co-investorsAKAkkaALAlumni VenturesATAtaraxia CapitalBABanca Investis — Family OfficeBABasecamp FundBLBlack Flag+37 more

Aera Farms develops a soil-based farming appliance for home use that combines aeroponics technology to enable households to grow fresh produce year-round with minimal water and energy consumption.

AgTechFoodTechHardware

Aerodome, part of Flock Safety, provides a Drone as First Responder (DFR) system that remotely deploys docked drones to 911 calls, license-plate hits, and gunshot alerts, streaming live HD, thermal, and night-vision video to first responders and dispatch.

Defense TechGovTechHardwareRobotics

Kenaniah Cerny(Founder)Rahul Sidhu(Founder)

Co-investors202048 VenturesANAndreessen HorowitzANAntiCRCRV (Charles River Ventures)EVEverywhere VenturesFOFord Street Ventures+2 more

Alinia develops AI guardrails for financial enterprises, specifically Investment Guard, a compliance system that detects unqualified investment advice in AI assistants under MiFID2 and EU financial regulations.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechDover, US

AFAriadna Font Llitjos(Executive Officer, Director)inCarlos Munoz Ferrandis(Executive Officer, Director)

BoardManuel Silva Martinez(Director)

Co-investorsKFKfundMOMouro CapitalPRPrecursor VenturesSPSpeedinvest

Anara is an AI platform designed for scientific research that searches document libraries and the web, summarizes findings with automatic citations, and helps researchers write with verified sources.

AI & Machine LearningDeep TechEnterprise SoftwareFuture of WorkSaaSSan Francisco, US

NJNaveed Janmohamed(CEO)in

Co-investorsEIEight CapitalFOFoundersPIPioneerRERebel FundTRTRAC (Third Round Analytics Capital)TRTranspose Platform Management+6 more

Claude is Anthropic's conversational AI assistant, available at claude.ai on web, desktop and mobile plus a developer API.

Co-investorsNONorwest Venture Partners

Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.

Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US

JGJohn Gedmark(CEO)inRMRyan McLinko(CTO)inMike Mancini(Executive Officer)Siamak Ebadi(Lead RF Engineer)inHCHall Chen(RF Payload Design)inShraddha Pandya(Talent Acquisition)

Co-investorsANAndreessen HorowitzATATEL VenturesBLBlack FlagBOBoxGroupCACantos VenturesCHCherubic Ventures+87 more

atopile provides a code-based programming language for designing electronic circuit boards, allowing engineers to automate and reuse designs instead of relying on graphical design interfaces.

Developer ToolsEnterprise SoftwareSan Francisco, US

NPNarayan Powderly(Founder)inTimothée PeterMatt WildoerIoannis Papamanoglou(Co-CEO)

Co-investorsSUSurgePoint AngelY Y CombinatorBOBOND STLOLombardstreet Ventures

Atuin is a developer tool that syncs, searches, and backs up shell history across machines with end-to-end encryption, and includes an integrated AI assistant accessible directly from the terminal prompt.

Developer Tools

Ellie Huxtable(Founder)in

Co-investorsGEGenerationshipTRTranspose Platform Management

Biocartesian provides optical pooled screening services for functional genomics research.

AI & Machine LearningBiotechDeep TechHealthtechSan Francisco, US

IDIan Dardani(CEO)inJLJess Li(Founder)in

Co-investorsY Y CombinatorAGAgrolimen VenturesGGGGriseMEMetsu Capital

BuildPass builds a construction technology platform focused on safety management, serving builders and subcontractors.

AI & Machine LearningConstruction TechPropTechSaaSAustralia, AU

MPMatt Perrott(Founder)inAVAaron Vanston(Founder)inCMCaylie McDonaldin

Co-investorsGLGlitch CapitalMIMighty PartnersCACarthona CapitalHOHorizonMAMassive Tech VenturesRERecursive Ventures

Carta is a cloud-based ERP platform for private capital markets that manages cap tables, equity administration, fund management, and valuations for startups, private companies, and venture funds globally.

Enterprise SoftwareFintechSaaSSan Francisco, US

HWHenry Ward(Founder)inMKManu Kumar(Founder)inCKCharly Kevers(Chief Financial Officer)inJPJeff Perry(Chief Revenue Officer)inNANick Avery(Chief People Officer)inNBNicole Baer(Chief Marketing Officer)in

Co-investors4D4DX VenturesA*A*ADAdventure FundALAlign VenturesALAlumni VenturesAMAmity Ventures+76 more

Chatterbug operated a language-learning platform that connected learners with tutors, but the service has shut down after nearly a decade.

EdTech

Cleanlab develops machine learning tools for data quality and model improvement, serving enterprises and ML practitioners across industries.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaS

CNCurtis Northcutt(CEO, Co-founder)inJMJonas Mueller(Chief Scientist, Co-founder)inAAAnish Athalye(CTO, Co-founder)inAnishathalye(Co-founder)UTUlyana Tkachenko(Co-founder)in

Co-investors51515 VenturesBABain Capital VenturesMEMenlo VenturesSASamsung NextTQTq Ventures LlcAMAME Cloud Ventures+2 more

Clerk provides user management and authentication infrastructure for developers, enabling quick integration of complete user management systems into applications.

CybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Braden Sidoti(Founder)inCSColin Sidoti(Founder)inJames Perkins(Founder)

BoardShvetank Jain(Director)KMKaran Mehandru(Director)in

Co-investorsANAndreessen HorowitzAVavraCRCRV (Charles River Ventures)MAMadrona Venture GroupMAMango CapitalMAMaximilian Stoiber+7 more

Command Code is an AI-powered coding assistant that helps developers write code faster, review code more quickly, and reduce bugs.

AI & Machine LearningDeveloper ToolsSaaS

AAAhmad Awais(Founder & CEO)in

Co-investorsALAlumni VenturesALAltaIR CapitalBABanyan VenturesFIFifthFIFirestreak VenturesMEMento vc

Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.

CleantechClimate TechDeep TechEnergyCambridge, US

BSBrandon Sorbom(Founder)inRobert Mumgaard(Executive Officer, Director)inDBDaniel Brunner(Executive Officer)inBMBob Mumgaard(Founder)inDan Brunner(Founder)Dennis Whyte(Founder)

Co-investorsADAdvection Growth CapitalARArmada Investment AGBABay Bridge Ventures ClimateBEBeni Venture CapitalBRBrainstorm VenturesBRBreakthrough Energy Ventures+45 more

Commutator Studios offers a tool that automatically optimizes quantum applications by finding the best execution parameters across different quantum computers, reducing errors and improving accuracy, reliability, and performance.

Deep TechDeveloper ToolsQuantum Computing

Co-investorsBAbacktrace capitalQAQAI Ventures

CoreWeave provides a cloud platform for running, observing, and improving production AI systems, including a product called Forge that supports the full model/agent iteration loop.

AI & Machine LearningCloud ComputingData & Infrastructure

MIMichael Intrator(Founder)inBrannin McBee(Founder)Brian Venturo(Founder)Peter Salanki(Founder)

Co-investorsCICisco InvestmentsCOCoatue ManagementDRDragon CapitalFOFOG VenturesG G SquaredHUHustle Fund+19 more

Creatify builds an AI system that generates, tests, and optimizes advertising creative automatically at scale across channels and audiences.

AdTechAI & Machine LearningMarketing TechMountain View, US

YNYinan Na(Executive Officer, Director)inChaz Z(Founder)KWKatie Wu(Founder)inLWLedell Wu(Founder)inXin Zhou(Founder)inYu Wu(Director)

Co-investorsCOComcast VenturesKIKindred VenturesNFNFDGWNWndrCoBRBrighter CapitalCRCreator Ventures+4 more

Cursor is a code editor that enables teams to manage and distribute Model Context Protocol (MCP) servers and integrations through team marketplaces, with features for organization-level access control and cloud agent integration.

AI & Machine LearningDeveloper ToolsSaaS

SASualeh Asif(Founder)ALArvid Lunnemark(Founder)inASAman Sanger(Founder)inMicheal Truell(Cofounder)MTMichael Truell(Founder)in

Co-investorsACAccelANAndreessen HorowitzAVAviso VenturesBOBoxGroupC3C3 VenturesCACai Leung Leung Partners+20 more

Day AI is an AI-native CRM that assembles and maintains customer records automatically from a company's communications, replacing manual data entry with generated, always-current context.

MPMichael Pici(Founder)inCOChristopher O'Donnell(Founder)inChristopher O'Donnell Michael Pici(Founder)

Co-investorsINInspired CapitalPEPermanent Capital VenturesPIPillar VCSESequoia CapitalSTStage 2 Capital2020SALES+3 more

Earthmover builds a cloud data platform for exploring, visualizing, analyzing, and sharing large-scale scientific datasets, with a focus on climate and Earth science data.

AI & Machine LearningClimate TechCloud ComputingData & InfrastructureNew York, US

RARyan Abernathey(Founder)inJHJoe Hamman(Founder)inTLTony Liu(Director)in

Co-investorsCOCostanoa VenturesLOLowercarbon Capital

Elicit is an AI-powered research assistant that helps users discover, analyze, and synthesize scientific literature and research findings.

AI & Machine LearningEdTechEnterprise SoftwareSaaSOakland, US

ASAndreas Stuhlmüller(Founder)inJBJungwon Byun(Founder)inAHAdam Heneghan(Executive Officer)in

BoardKevin Willer(Director)John Elton(Director)John McGee(Director)

Co-investorsAVavraBABasis Set VenturesFIFifty YearsFOFootworkMYMythos Ventures Management, LlcWIWinklevoss Capital

EngFlow provides build system optimization and infrastructure tooling that reduces software build times for developer teams.

Cloud ComputingDeveloper ToolsEnterprise SoftwareAustin, US

UAUlf Adams(CTO, Co-Founder)inHAHelen Altshuler(CEO, Co-Founder)in

Co-investorsANAndreessen HorowitzFIfirstminute capitalTITiger Global ManagementEVEverywhere VenturesSESerpentine VenturesSISiesta Ventures+3 more

Fal provides fast inference for generative AI models, particularly for image and video generation tasks like SDXL and Whisper.

AI & Machine LearningCloud ComputingCreator EconomyDeveloper ToolsSan Francisco, US

GYGorkem Yurtseven(Founder)inBGBurkay Gur(Founder)inBerkay Gur(Founder)

BoardSJSteve Jang(Director)inJLJennifer Li(Director)inGSGlenn Solomon(Director)in

Co-investors50500 Emerging EuropeALAlkeon InnovationANAndreessen HorowitzBEBessemer Venture PartnersCOCortical VenturesE2e2vc+18 more

Fauna built FaunaDB, a serverless document-relational cloud database, and shut down the service in May 2025.

San Francisco, US

Evan Weaver(Founder)Matt Freels(Founder)

Co-investorsALAlumni VenturesCOConversion CapitalDCDCVC (Data Collective)MAMadrona Venture GroupMAMango CapitalPOPoint72 Ventures+11 more

Flock Safety provides a platform that connects neighborhoods, businesses, and law enforcement to share verified incident information and enable coordinated emergency response based on shared evidence.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareGovTechHardwareSaaSAtlanta, US

GLGarrett Langley(CEO)inMFMatt Feury(CTO)inPaige Todd(Founder)John Nystrom(Platform Lead)Tom Pethtel(Camera Software Lead)Megan Adcock(Megan)

Co-investorsA*A*ANAndreessen HorowitzANAnorak VenturesBEBedrockCOCoatue ManagementCRCRV (Charles River Ventures)+26 more

Flux develops a browser-based tool for hardware design collaboration that enables teams to work together efficiently.

AI & Machine LearningDeveloper ToolsHardwareSan Francisco, US

MWMatthias Wagner(Founder)inLCLance Cassidy(Founder)in

Co-investors5353 Stations8V8VCBABain Capital VenturesBEBehind Genius VenturesCACapital B Private HoldingsESEssence Venture Capital+4 more

Freeplay provides a platform for software product development teams to build and maintain generative AI products using best practices in experimentation, iteration, and data management.

AI & Machine LearningDeveloper ToolsEnterprise Software

Eric Ryan(Founder)Ian Cairns(Founder)

Co-investorsMAMatchstick VenturesNENext Frontier CapitalRERenegade PartnersVEVermilion Cliffs Ventures

Opensend is a SaaS data platform that identifies anonymous website visitors and converts them into leads using a proprietary identity graph of aggregated engagement and transactional data.

AI & Machine LearningDirect to ConsumerE-commerceMarketing TechSaaS

FGFrancesco Gatti(Founder)in

Develops a tool streamlining developers' Git workflows with virtual branches and intuitive commit management.

KVKiril Videlov(Founder)inScott Chacon(Founder)

Co-investorsANAndreessen HorowitzFLFly VenturesJ1J12 VenturesNENextblueA.A.Capital Ventures

Graphite Chat is an AI-powered code review tool that integrates with GitHub to automatically analyze pull requests and identify bugs and security issues.

AI & Machine LearningDeveloper ToolsSaaS

MLMerrill Lutsky(Founder)inGFGreg Foster(Founder)inTomas Reimers(Founder)

Co-investorsACAccelALAlumni VenturesANAndreessen HorowitzBOBoxGroupCICianna CapitalCOCommunitas Capital Partners+5 more

Toronto-based generative AI company building text-to-image models known for accurate in-image text rendering.

Toronto, CA

WCWilliam Chan(Founder)inMNMohammad Norouzi(Founder)inChitwan Saharia(Founder)Jonathan Ho(Founder)

Co-investorsAIAIX VenturesANAndreessen HorowitzINIndex VenturesPEPear VCRERedpoint VenturesTWTwo Small Fish Ventures+12 more

Impossible Foods produces plant-based meat alternatives, including beef, pork, chicken, and sausage products designed to replicate the taste, nutrition, and cooking properties of conventional animal meat.

ConsumerFoodTechHealthtechRedwood City, US

PBPat Brown(Founder)inDLDavid Lee(Executive Officer)inPMPeter McGuinnessinPatrick O. Brown(Founder)in

BoardBSBart Swanson(Director)inSKSamir Kaul(Director)in

Co-investors141435 CapitalALAliya Capital PartnersALAllied Venture PartnersANAngelDAOBLBlue Horizon CorporationBVBVP Investors+33 more

Inference Capital is an investment firm representing permanent capital and allocators across private markets, providing advisory and direct allocation services.

Fintech

Co-investorsINInception Fund

Inngest is an execution layer for agents and workflows that helps engineers build and optimize event-driven workflows without manual retry logic or queue management.

AI & Machine LearningCloud ComputingDeveloper ToolsRoyal Oak, US

THTony Holdstock-Brown(Founder)DFDan Farrelly(Founder)in

BoardJBJamin Ball(Director)inDCDan Cahana(Director)in

Co-investorsAFAfore CapitalANAndreessen HorowitzMOMotive ForceNONotable CapitalALAltimeter CapitalBABanana Capital+4 more

Inth provides developer-first consent infrastructure that allows software teams to manage cookie consent, regional rules, and script loading directly in code rather than through external platforms.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

CBChristopher Burns(Founder, Inth · Author, c15t)in

Co-investorsY Y CombinatorANAndreessen HorowitzBABatch VenturesCOCommon MagicTITiny Supercomputer Investment CompanyVEVercel

Langbase is a serverless platform for building, deploying, and scaling AI agents without infrastructure management.

AI & Machine LearningData & InfrastructureDeveloper ToolsSaaS

AAAhmad Awais(Founder)in

Co-investorsFIFirestreak VenturesALAltaIR CapitalALAlumni VenturesBABanyan VenturesMEMento vc

Limitless creates AI tools designed to augment human intelligence and overcome cognitive limitations by improving memory and focus.

AI & Machine LearningEnterprise SoftwareFuture of WorkHardware

DSDan Siroker(Co-Founder & CEO)inDan Siroker Brett Bejcek(Founder)

Co-investorsANAndreessen HorowitzFIFirst Round CapitalALAlumni VenturesDADaft CapitalDADash VCEVEvolution VC Partners+12 more

Liquid AI builds device-native foundation models (LFMs) designed to run efficiently on processors outside data centers, such as phones, laptops, and cars, under latency, privacy, and hardware constraints.

AI & Machine LearningDeep TechEnterprise SoftwareBrookline, US

DRDaniela Rus(Founder)inMLMathias Lechner(Founder)inRHRamin Hasani(Founder)inAAAlexander Amini(Founder)inLouis Hunt(Executive Officer)SPStephen Pagliuca(Director)

Co-investorsBOBold Capital PartnersDUDuke Capital PartnersGLGlasswing VenturesISIsaiISISAI GestionLILink Ventures+6 more

LM Studio offers Bionic, a locally-run AI agent designed to work with open models for creativity, work, and coding tasks.

AI & Machine LearningDeep TechDeveloper ToolsNew York City, US

YBYagil Burowski(Founder)in

Co-investorsMAMatrixTOTorch Capital

Massdriver provides infrastructure automation and management for cloud-native organizations, enabling developers and operations teams to provision and manage infrastructure with ease while maintaining compliance and operational standards.

Cloud ComputingDeveloper ToolsEnterprise SoftwareLos Angeles, US

COCory O'Daniel(Founder)inCHChris Hill(Founder)inDave Williams(Founder)david williams

Co-investorsSOSoma CapitalY Y Combinator191984 Ventures Management, LlcBUBuilders VCHAHack VCPAPage One Ventures+2 more

Milestone is an analytics platform that tracks AI spend, coding agents, software delivery, and custom KPIs by grounding answers in a company's engineering data.

AI & Machine LearningDeveloper ToolsEnterprise Software

LELiad Elidan(Founder)in

Co-investorsHEHeavybitATAtlassian Ventures

Mineflow maintains a public mineral exploration dataset and sends alerts when new exploration filings, surveys, and tenement changes match user-defined projects.

Advanced ManufacturingAgTechData & InfrastructureSan Francisco, US

RGRyan Goggins(CEO)in

Co-investorsTRTranspose Platform ManagementY Y CombinatorBEBezier CapitalCACapitalize VCDEDecacorn CapitalKAKarman Ventures+1 more

MoneyHash provides a payment orchestration platform that aggregates payment APIs, providers, and technical capabilities through a provider-agnostic cloud, letting businesses build and manage payment infrastructure.

Enterprise SoftwareFintechSaaS

NANader Abdelrazik(Founder)inAnisha Sekar(Founder)Mustafa Eid(Founder)

Co-investorsFIFirstCheck AfricaLOLoftyInc CapitalNUNuwa CapitalTOTofino CapitalVEVentures PlatformVEVentureSouq+8 more

Monumo develops an AI engine called Anser to design and optimize electric motors and drives, aiming to reduce cost and improve performance in EV powertrains.

AI & Machine LearningDeep TechMobility & Transportation

Co-investorsPEPermira

The page lists financial and data regulations (e.g.

FintechSan Francisco, US

JSJan Spidlen(Founder)in

Co-investorsCACategory VenturesHAHack VC

Netlify is a platform for building, deploying, and scaling modern web applications, serving millions of developers and thousands of enterprises.

AI & Machine LearningCloud ComputingDeveloper ToolsSaaSSan Francisco, US

MBMathias Biilmann(Founder)inChristian Bach(Founder)inChris Bach(Founder)Matt Biilmann(Founder)

Co-investorsANAndreessen HorowitzBEBessemer Venture PartnersBLBloomberg BetaDEDesigner FundKLKleiner PerkinsMEMenlo Ventures+9 more

Not Diamond builds a data-driven recommendation layer for AI that routes queries across diverse models and agents, with research-driven products that help developers improve agent behavior at scale while reducing inference costs.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise Software

JAJeffrey Akiki(COO)inTomás Hernando Kofman(CEO)Tze-Yang Tung(CTO)

Co-investors64640 OxfordAMAmbush CapitalCACapital B Private HoldingsDEDeepwater Asset ManagementDEDefy PartnersINInovia Capital+5 more

Nuanced provides a desktop application where AI agents assist software developers by converting preliminary concepts into detailed specifications and maintaining involvement throughout the build process.

AI & Machine LearningConsumerDeveloper ToolsSan Francisco, US

ANAyman Nadeem(CEO)inDylan John Drover

Co-investorsALAlumni VenturesEIEight CapitalSTSterling RoadY Y CombinatorKLKleiner PerkinsLILIONHEART VENTURES+2 more

Ona provides cloud-based agent infrastructure that runs developer tasks in isolated environments while laptops are closed, automating workflow execution through events, schedules, and pull requests.

AI & Machine LearningCloud ComputingDeveloper Tools

Jan Koehnlein(Founder)Johannes Landgraf(Founder)Moritz Eysholdt(Founder)Sven Efftinge(Founder)

Co-investorsBRBright Pixel CapitalCRCrane Venture PartnersPEPebblebedVEVertex VenturesALAlta Life SciencesASAsabys Partners+7 more

OpenPipe provides an SDK that automatically captures prompt-completion pairs from existing LLM providers and converts them into fine-tuned models that are faster and more cost-effective to run.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSeattle, US

KCKyle Corbitt(Founder)inDCDavid Corbitt(Founder)inKyle Corbitt David Corbitt(Founder)

Co-investorsEAEast Sunshine VenturesEIEight CapitalHAHat-Trick CapitalLOLombardstreet VenturesY Y CombinatorCOCostanoa Ventures+3 more

Paratus builds intent-scored lead lists for companies selling into healthcare providers, using federal data and live web scraping to identify and qualify practices across the US market.

Data & InfrastructureHealthtechSales TechSan Francisco, US

PBPablo Bermudez-Canete(CEO)inTHTannen Hall(CTO)in

Co-investorsY Y CombinatorAMAmino CapitalEIEight CapitalGOGoAhead VenturesLOLobster CapitalMAMana Ventures+1 more

Parley builds AI software for immigration law firms that automates visa petition drafting, reference letter generation, and evidence collection.

AI & Machine LearningEnterprise SoftwareLegalTechSaaSSan Francisco, US

PSPhilip Smart(CEO)inIEIan Edwards(CTO)inJPJackson Perry(Founder)in

Co-investorsSTSterling RoadY Y CombinatorBRBroadshade InvestmentsDEDecacorn CapitalGOGoodwater CapitalPRProCap Velocity

PATH makes refillable aluminum water bottles designed to reduce single-use plastic waste.

Circular EconomyConsumer

Co-investors1S1st Course CapitalALAltelanBLBloom8COConstellationFLFlorida FundersFOForma Capital+2 more

PlanetScale is a database platform built on the Vitess open-source project, designed for scaling large distributed systems.

Cloud ComputingData & InfrastructureDeveloper ToolsMountain View, US

JVJiten Vaidya(Founder)inJitendra Vaidya(Founder)Sam Lambert(Founder)Sugu Sougoumarane(Founder)

Co-investorsANAndreessen HorowitzBOBoxGroupDIDig Ventures Management LimitedFIFirebolt Ventures Management Company, LlcINInsight PartnersKLKleiner Perkins+2 more

Poolside builds open-weight foundation models and agentic coding models, including the Laguna family, along with the systems and infrastructure needed to train, refine, and improve these models.

AI & Machine LearningDeveloper Tools

JWJason Warner(Founder)inEKEiso Kant(Founder)Jason Warner Eiso Kant(Founder)

Co-investors2020VC7G7GC & CoABAbstraction CapitalAIAir Street CapitalB B Capital GroupB4B4 Capital+29 more

Postman is an API platform that helps developers build, test, and manage APIs throughout their lifecycle.

AI & Machine LearningCloud ComputingDeep TechDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

AAAbhinav Asthana(Founder)inASAnkit Sobti(Founder)inAKAbhijit Kane(Founder)in

Co-investorsBABattery VenturesINInsight PartnersNENexus Venture Partners8383NorthALAltra VentureBOBond Capital Management+16 more

Power Planet develops drilling and well operations technologies, hardware innovations, and integrated energy systems for oil and gas field development.

CleantechClimate TechDeep TechEnergyHardware

Keith Elliott(Co-Founder & CEO)inBHBrij Hall-Potnis(Co-Founder & CTO)inShyamli Mohamed(CFO)

Prisma builds an ORM and database tools for developers to simplify database workflows across application development, deployment, and scaling.

Cloud ComputingData & InfrastructureDeveloper Tools

Aram Hardy(Founder)Johannes Schickling(Founder)Soren Bramer Schmidt(Founder)

Co-investorsAMAmplify PartnersHEHeavybitKLKleiner PerkinsMAMango CapitalALAltimeter CapitalFAFathom+2 more

Prometheus Fuels develops systems that convert intermittent renewable energy into liquid fuels for remote electrification.

Advanced ManufacturingCleantechClimate TechDeep TechEnergySanta Cruz, US

RMRob McGinnis(CEO)inDr. Rob McGinnis(Founder)Seonah Jin(Senior Director of Engineering)

Co-investorsBMBMW i VenturesEMEmles Venture PartnersEXExpaMAMaersk GrowthMEMetaplanetY Y Combinator+12 more

Purplefish builds a takeoff platform for industrial pipe contractors and fabricators to extract material and labor data from isometric drawings, replacing manual Excel-based processes.

AI & Machine LearningConstruction TechEnterprise SoftwareSaaSNew York City, US

Adam Sirois(Co-founder)inMKMartin Kess(Co-founder)in

Co-investors8V8VC

QuantPi develops testing and verification technology for artificial intelligence systems to assess their reliability, explainability, and safety before deployment.

AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareSaaSSaarbrücken, DE

Co-investorsCACapnamicFIFirst MomentumNENew Forge

Railway builds a cloud computing platform designed to reduce deployment friction and simplify the software development lifecycle.

Cloud ComputingData & InfrastructureDeveloper Tools

JCJake Cooper(Founder)inSondre Selbaek(Founder)

Co-investorsRERedpoint VenturesTQTq Ventures LlcUNUnusual VenturesBABasecamp FundCOCompoundPIPioneer+4 more

Estonian developer of cross-game 3D avatar creation tools and SDKs, acquired by Netflix in December 2025.

TTTimmu Tõke(Founder)inRSRainer Selvet(Founder)KTKaspar Tiri(Founder)inHJHaver Järveoja(Founder)inHaver Jarveoja(Founder)Kristjan Maruste(Founder)

Co-investors7P7percent VenturesA1a16z cryptoACAcrobator VenturesANAndreessen HorowitzBHBHM GroupCOCollab+Currency+15 more

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 VenturesY Y CombinatorAGAgrolimen VenturesALAliaksandr Hudzilin+5 more

RedwoodSDK is a software development framework, presented through its blog and version 1.0 release.

Developer Tools

PPPeter Pistorius

Replicated provides a container-based platform for software vendors to deploy cloud-native applications in customer environments.

Cloud ComputingDeveloper ToolsEnterprise Software

Grant Miller(Founder)Marc Campbell(Founder)

Co-investorsAMAmplify PartnersBOboldstart venturesFOFounder CollectiveHEHeavybitMUMucker CapitalPLPlexo Capital+8 more

ReSim provides a simulation and testing platform for physical AI and robotics teams, letting them evaluate embodied AI performance across thousands of virtual scenarios before deployment.

AI & Machine LearningDeveloper ToolsRoboticsPittsburgh, US

SBSimon Box(Founder)in

Co-investorsSHShield CapitalXTXTX Markets

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

Data & InfrastructureDeveloper ToolsEnterprise SoftwareFuture of WorkSaaSSan Francisco, US

DHDavid Hsu(CEO)inSnir Kodesh(Head of Engineering)Anthony GuoAlex Tapper(Customer Engineer)Jack McCloy(Software Engineer)Donald Hruska(Engineering)

Co-investorsBOBond Capital ManagementCOCoatue ManagementLILiquid VenturesSESequoia CapitalSTStandard CapitalSUSunflower Capital Management Fund+38 more

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

JQJulien Quintard(Founder)inQHQuentin Hocquet(Founder)in

Co-investorsFAFailup VenturesFJFjor FoundersMAMarket One CapitalTATarget GlobalY Y CombinatorBOBoxGroup+1 more

Senso builds infrastructure that acts as a verified-context layer for AI agents, enabling organizations to ensure that AI answers align with their actual ground truth.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechToronto, CA

SBSaroop Bharwani(Founder)inTNThomas Nelson(Founder)inAndy Tran(Product Manager)

Co-investorsEIEight CapitalLULuge CapitalMAMaiora Rebel VenturesMEMendoza VenturesNENEXT AIRERebel Fund+7 more

SnapMagic provides an AI-powered search engine for electronics design that gives engineers instant access to digital models of electronic components.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareHardwareMarketplacesSan Francisco, US

NBNatasha Baker(CEO)inTobias Harrison-Noonan(Vice President, GTM)Jason Anderson(Vice President of Engineering)Moe Lueker(Chief of Staff)Ron Publico(Technical Operations Lead)Vishnu Vardhanab(Engineering Lead)

Co-investorsBOBow CapitalY Y Combinator

Snyk is a developer-focused security platform that identifies and fixes vulnerabilities in code, dependencies, containers, and cloud infrastructure using AI-powered analysis.

AI & Machine LearningCybersecurityDeveloper ToolsBoston, US

GPGuy Podjarny(Founder)inPMPeter McKay(Executive Officer, Director)inSDStephanie Dominy(Executive Officer)inAssaf Hefetz(Founder)Danny Grander(Founder)Peter McKay (CEO)(Founder)

Co-investors202050 CapitalACAccelALAlkeon InnovationAMAmity VenturesAMAmplify PartnersATAtlassian Ventures+45 more

Sourcetable is an AI-powered spreadsheet that lets users query databases and applications in plain English, generate charts, clean and structure data, and run Python-based analysis without switching tools.

AI & Machine LearningData & InfrastructureFuture of WorkSaaSSan Francisco, US

EJEoin J.W. McMillan(Executive Officer, Director)in

BoardMBMichael Berolzheimer(Director)in

Co-investorsAMAmplify.LABEBee PartnersJAJames Beshara FundNENextView VenturesTRTRAC (Third Round Analytics Capital)GRGreycroft+1 more

StackBlitz provides a browser-based development environment for creating and launching web applications, with code execution happening entirely within the user's browser using WebAssembly technology.

Cloud ComputingDeveloper ToolsEnterprise SoftwareSan Francisco, US

ESEric Simons(Founder)inAlbert Pai(Founder)inABAlexander Berger(Chief Operating Officer)inBABryan Adams(Vice President of Sales)inMitchell Wright(Head of Growth Marketing and Data)inHCHyllarie Colyer(Head of People)in

Co-investors51515 VenturesCOConvictionEMEmergence Capital PartnersGRGreylock PartnersGVGV (Google Ventures)INInsight Partners+5 more

StackOne provides infrastructure for AI agents to integrate with and act across business applications through optimized connectivity, execution, and security features.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareNewbury, GB

RSRomain Sestier(Founder)inGuillaume Lebedel(Founder)Romain Sestier Guillaume Lebedel(Founder)

Co-investorsEPEpisode1GVGV (Google Ventures)INInception FundTHThunder Future LLCPLPlayfair CapitalWOWorkday Ventures+1 more

Stripe provides financial infrastructure for businesses to accept payments, offer financial services, and implement custom revenue models across international markets in 135+ currencies.

Developer ToolsFintechSaaSSan Francisco, US

JCJohn Collison(President)inPCPatrick Collison(CEO)inWGWilliam Gaybrick(Executive Officer)inGBGreg Brockman(Founding Engineer, then first CTO)inSHSarah HeckinRyan Seekely(Engineering Manager)

Co-investors141435 Capital50500 GlobalADAdvaita CapitalADAdventure FundAGAglae VenturesAIAir Street Capital+102 more

Supabase is a fully managed PostgreSQL backend platform that integrates with AI builders like Claude, Lovable, and Bolt to enable rapid development of production applications.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

PCPaul Copplestone(Founder)inAWAnt Wilson(Founder)inInian Parameshwaran(Engineering)Rory Wilding(Head of Growth)Laura Copplestone(People)Margarita Sandomirskaya(Recruitment)

Co-investorsBABase Case CapitalACAccelAVavraBEBerkeley FrontierCHChapter OneCOCoatue Management+23 more

Tailscale provides secure connectivity infrastructure.

Cloud ComputingCybersecurityDeveloper ToolsToronto, CA

APAvery Pennarun(Founder)inBFBrad Fitzpatrick(Founder)inDCDavid Crawshaw(Founder)inDavid Carney(Founder)in

Co-investorsACAccelAVAvenir Growth CapitalCRCRV (Charles River Ventures)CYCyber Mentor FundFLFlex Capital PartnersGAGaingels+9 more

Thunder Compute develops GPU virtualization software that improves utilization of graphics processing units in data centers.

AI & Machine LearningCloud ComputingData & InfrastructureDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US

CPCarl Peterson(CEO)inBMBrian Model(CTO)in

Co-investorsAMAmino CapitalTRTranspose Platform ManagementY Y CombinatorASAsymmetry VenturesAVAvesta FundCYCyberAgent Capital+3 more

Team Tito builds Tito, a ticketing platform used by event organisers worldwide that has processed over $1 billion in tickets.

MarketplacesMedia & EntertainmentSaaSLong Island City, US

PPaulWeiqiang Chu(Executive Officer, Director)Platon Levitski(Executive Officer, Director)

Co-investorsENEnterprise Ireland

tldraw provides an SDK for building canvas-based applications like whiteboards, diagrams, and collaborative tools in React.

Developer ToolsSaaSLondon

SRSteve Ruiz(Founder)in

Co-investorsAMAmplify PartnersLULux Capital

Tuist is a development tool that enhances Apple's native build tooling to help teams maintain development velocity and code organization as their iOS/macOS projects scale.

Developer ToolsSaaS

Turso is a database engine built as a Rust rewrite of SQLite, adding concurrent writes, native vector search, cloud-native replication, and browser/on-device support via WebAssembly.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsLondon, CA

PEPekka Enberg(Founder)inGCGlauber Costa(Founder)in

Co-investorsBLBlumberg CapitalFIFirst Star VenturesHUHumans Of The InternetMAMango CapitalNONorwest Venture PartnersESEssence Venture Capital

Unkey is an API management platform for developers, designed to handle API workflows including integration and scaling.

Cloud ComputingData & InfrastructureDeveloper ToolsSaaS

JPJames Perkins(Founder)inATAndreas Thomas(Founder)in

Co-investorsUNUncork CapitalESESSENCE VCDEDeep AcreHOHomebrewESEssence Venture CapitalSTStep Function Ventures+1 more

Upside Foods produces cultivated meat using cell-based technology.

BiotechFoodTechSan Francisco, US

UVUma Valeti(Founder)inUma Valeti, MD(Founder)inJohn MitchellinNicholas Genovese(Founder)Will Clem(Founder)

Co-investorsALAlwyn CapitalBOBoxGroupCPCPT CapitalDEDentsu VenturesFIFifty YearsFUFuture Ventures+14 more

Val Town is a platform that lets GTM and operations teams build and deploy internal tools, integrations, and automations to live URLs, with support for AI coding agents like Claude, Codex, and Cursor.

Cloud ComputingDeveloper ToolsSaaS

Steve Krouse(Founder)Tom MacWright(Founder)

Co-investorsACAccel

VoidZero builds open-source infrastructure and tooling for the JavaScript ecosystem, developed by the creators and maintainers of widely used JavaScript projects.

AI & Machine LearningDeveloper ToolsSaaS

Evan You(Founder)

Co-investorsACAccelPEPeak XV PartnersSUSunflower Capital Management FundAMAmplify Partners

Weights & Biases is an AI developer platform that enables teams to build, train, and monitor AI agents, applications, and models with tools for experiment tracking, model management, and agent evaluation.

AI & Machine LearningData & InfrastructureDeveloper ToolsSan Francisco, US

SLShawn Lewis(Founder)inLBLukas Biewald(Founder)inCVChris Van Pelt(Founder)inMariah Nagy(Executive Officer)inYEYan-David Erlich(Executive Officer)inCKCameron Kinloch(Executive Officer)in

Co-investorsAIAIX VenturesBOBond Capital ManagementBRBrighter CapitalBRBrilliant Phoenix CapitalCOCoatue ManagementDIDiagram Capital+42 more

Zed is a code editor written from scratch in Rust that uses multiple CPU cores and the GPU for high performance, with support for running AI agents in parallel to edit code and run tools.

AI & Machine LearningDeveloper ToolsFuture of Work

NSNathan Sobo(CEO & Co-founder)inASAntonio Scandurra(Co-founder)inMax Brunsfeld(Co-founder)inDanielle Cojuangco(Founder)Danielle Cojuangco Abraham(Founder)Steve Abraham(Founder)in

Co-investorsMAMatchstick VenturesMAMaximilian StoiberNINimble PartnersRERedpoint VenturesRORoot Ventures Manager, LlcSESequoia Capital+3 more

Zeroheight provides a centralized platform for managing design systems, enabling coordination between design tools and development teams to ensure consistent implementation and reference.

Developer ToolsEnterprise SoftwareMarketing TechSaaSLondon, GB

JDJerome de Lafargue(CEO)inRTRobin Tindale(Founder)in

BoardJHJonathan Hsu(Director)in

Co-investorsASAscensionENEntrepreneur FirstEXExpaFUFundersClubKAKayak VenturesY Y Combinator+3 more

Zoo builds Zoo Design Studio, AI-native CAD software featuring Zookeeper, a conversational CAD agent that interprets design intent, reasons and iterates, and generates editable B-rep models on a modern geometry engine.

Advanced ManufacturingAI & Machine LearningSaaSLos Angeles, US

JFJessie Frazelle(Founder)inJNJordan Noone(Founder)inJenna Bryant(Founder)

Co-investorsALAlumni VenturesDUDuke Capital PartnersGAGaingelsJUJude GomilaQUQuantonationUNUndeterred Capital+3 more