/Investor DB

Tokyo Black — Full Portfolio

21 tracked investments · listed companies and verified rows first

Effxeffx.com✓ verified

effx built a platform to help engineering teams collaborate and work more productively, with a focus on microservices architectures.

Developer ToolsEnterprise SoftwareSaaS

Co-investorsCowboy VenturesESSENCE VCKleiner PerkinsModern TechnicalOlima VenturesEssence Venture Capital

Aviatoraviator.coin𝕏Seed

Aviator provides a GitHub app that automates code review assignment and management for engineering teams.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Ankit Jain(Founder)in

Co-investorsY CombinatorAlumni VenturesAirAngelsAndreessen HorowitzCrystal Towers CapitalGlobal Founders Capital+6 more

BuildBuddybuildbuddy.ioin𝕏Seed

BuildBuddy makes tools for developers to increase productivity.

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

Siggi Simonarson(Founder)inTyler Williams(Founder)in

Co-investorsScribble VenturesSwitch VenturesThe E14 FundVillage GlobalY CombinatorAddition+3 more

Bytebotbytebot.aiin𝕏SeedAcquired

Bytebot is an open-source AI desktop agent that operates in a containerized Linux environment to complete computer tasks via screen interaction, mouse, and keyboard—automating workflows across multiple applications and websites at scale.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSBoston, US

Carl Atupem(Founder)in

Co-investorsJude GomilaOpen Opportunity FundY CombinatorCresset CapitalDVCGlobal Founders Capital+4 more

DeepSourcedeepsource.comin𝕏SeedAcquired

DeepSource provides developer tools for code quality and security.

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Sanket Saurav(Co-founder & CEO)inJai Pradeesh(Co-founder, President)in

Co-investorsFundersClubEssence Venture CapitalHack VCRogue CapitalTango.vc645 Ventures+6 more

Depotdepot.devin𝕏Aug 2024

Depot is a cloud-based build platform that accelerates software compilation and integration with container tools to reduce developer wait times.

Cloud ComputingDeveloper ToolsEnterprise SoftwareSaaS

Kyle Galbraith(Founder)inJacob Gillespie(Founder)in

Co-investorsY CombinatorAviso VenturesFelicis VenturesKima VenturesPioneerAfore Capital+7 more

Freshpaintfreshpaint.ioinSeed

Freshpaint provides a platform for healthcare marketers to securely connect and activate customer data across marketing channels while maintaining privacy compliance.

Data & InfrastructureDeveloper ToolsDigital HealthEnterprise SoftwareHealthtechMarketing TechSaaSSan Francisco, US

Steven Fitzsimmons(Founder)inMichael Malis(Founder)inRay Mina(Chief Executive Officer)inTom Spiegelman(Chief Product & Technology Officer)in

Co-investorsAbstraction CapitalBT Growth CapitalIntel CapitalPioneerSignalFireSunflower Capital Management Fund+12 more

Fuzzbuzzfuzzbuzz.ioin𝕏SeedAcquired

Fuzzbuzz provides automated fuzzing testing delivered as a cloud service for software developers seeking to identify vulnerabilities and edge cases in their applications.

CybersecurityData & InfrastructureEnterprise SoftwareSan Francisco, US

Sabera Hussain(Founder)inEverest Munro-Zeisberger(Founder)inAndrei Serban(Founder)in

Co-investorsHomebrewIn-Q-TelY Combinator408 VenturesCostanoa VenturesFuel Capital+3 more

Kilokilo.vnDec 2025 · $8M

Kilo is a software and application development services firm with operations tied to Singapore and Vietnam.

E-commerce

Kartick Narayan

Co-investors500 GlobalCapria VenturesFJ LabsCota CapitalGeneral CatalystQuiet Capital

Kilo Codekilo.ai

Kilo (Kilo Code) is an open-source, MIT-licensed AI coding agent that works across VS Code, JetBrains, CLI, and cloud, giving developers access to 500+ AI models at cost with no markup, plus support for bring-your-own-keys and local models.

AI & Machine LearningDeveloper ToolsSaaSLondonderry, US

Scott Breitenother(Co-founder & CEO)in

Co-investorsCota CapitalEval Ventures FundGeneral CatalystQuiet Capital

Middlewaremiddleware.ioin𝕏Seed

Middleware is a cloud observability platform that integrates logs, traces, and metrics to help organizations identify and resolve infrastructure issues rapidly.

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

Laduram Vishnoi(Founder)in

Co-investorsAttack CapitalBeat VenturesBegin CapitalOlive Tree CapitalTRAC (Third Round Analytics Capital)Y Combinator+8 more

Nagishtalknagish.comin𝕏Jul 2024

Rylo builds accessibility tools for Deaf and hard of hearing people, providing real-time communication solutions that preserve the richness of speech and integrate sign language research.

AI & Machine LearningDigital HealthHealthtechImpact & Social GoodNew York City, US

Tomer Aharoni(Founder)in

Co-investorsTechstarsCanaan PartnersCardumen CapitalContour Venture PartnersGeneral CatalystK5 Global+2 more

Nextmvnextmv.ioin𝕏Seed · Dec 2020Acquired

Nextmv provides a decision automation and optimization platform for developers, delivering optimization and scheduling solutions for logistics, delivery, and similar operational challenges.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareLogistics & Supply ChainSaaSPhiladelphia, US

Carolyn Mooney(CEO)inRyan O'Neil(CTO)in

Co-investorsFirstMark CapitalRTP GlobalY Combinator2048 VenturesAtypical VenturesDynamo Ventures+1 more

PowerRouterpowerrouter.ioinSeed

PowerRouter provides lead routing and go-to-market workflow automation software for sales teams.

Enterprise SoftwareSaaSSales TechAustin, US

Tanu Venkatesh(Founder)in

Co-investorsY CombinatorHarvard Management Company

Riottryriot.comin𝕏Series A

Riot is an employee security posture management platform that monitors and improves cybersecurity behaviors across workforces to defend against AI-powered threats.

CybersecurityEnterprise SoftwareSaaSParis, FR

Benjamin Netter(Founder)in

Co-investorsFundersClubY CombinatorFounders FutureFrstKima VenturesLeft Lane Capital+3 more

SequifiinSep 2025 · $6.7M

Utah-based workforce platform combining same-day payroll, commission automation and HR tools for home services companies.

Lehi, US

Adam Duerschmidt(Executive Officer, Director)inRiley Omanson(Executive Officer)inRoshan Kumar(Executive Officer, Director)

BoardTaylor Oliver(Director)in

Co-investorsCervinCERVIN VENTURES

Unkeyunkey.com𝕏Apr 2026 · $4.5M

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

Cloud ComputingData & InfrastructureDeveloper ToolsSaaS

James Perkins(Co-founder)inAndreas Thomas(Co-founder)in

Co-investorsUncork CapitalESSENCE VCDeep AcreHomebrewPreston-Werner VenturesEssence Venture Capital+1 more

Varosvaros.comin𝕏Seed

Varos uses AI agents to automate business analysis work by conducting micro-interviews with employees to extract knowledge and generate decision-ready outputs like roadmaps and process optimization.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Yarden Shaked(Founder)inLior Chen(Founder)inGil Shaked(Founder)in

Co-investorsFinancial Venture StudioIbex InvestorsMosaic General Partnership, LLCRestive VenturesY CombinatorOn Deck+3 more

Waspwasp-lang.devin𝕏Oct 2021 · $1.5M

Wasp is a full-stack web framework that reduces boilerplate code and provides built-in structure for web application development.

Developer ToolsEnterprise SoftwareZagreb, HR

Matija Šošić(Founder)inMartin Sosic(Founder)in

Co-investorsAbstraction Capitalbig_betsBrighter CapitalMetis VenturesY Combinator468 Capital+6 more

Waspwasp.sh𝕏Nov 2021 · $1.5M

Wasp is an open-source framework for building full-stack web applications, using a configuration file to handle boilerplate for features like authentication, database, and deployment.

AI & Machine LearningCloud ComputingDeveloper Tools

Co-investorsLunar Ventures468 CapitalAbstraction CapitalAcequia Capital (AceCap)HV Capital

Zipziphq.comin𝕏Seed

Zip is an AI platform for enterprise procurement that automates and optimizes the B2B purchasing process from intake to payment.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Rujul Zaparde(CEO and Cofounder)inLu Cheng(CTO and Cofounder)inLarry Diamond(Executive Officer, Director)inMartin Brooke(Executive Officer)Peter Gray(Executive Officer, Director)

BoardPhilip Crutchfield(Director)

Co-investorsY CombinatorTiger Global ManagementAlkeon InnovationBond Capital ManagementCRV (Charles River Ventures)Fjor Founders+13 more

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