All Industries

Top Open Source Companies

190 Open Source companies, sorted by total funding raised.

XMTP Labs

XMTP Labs builds open-source infrastructure for secure, decentralized messaging between wallets a...

San Francisco, United States11–50Crypto & Web3, Developer Tools
Series BTotal funding$71.0MAug 2025
Ollama

Ollama enables developers to run open models locally or in the cloud and connect them to coding a...

Palo Alto, United StatesArtificial Intelligence, Developer Tools
Series BTotal funding$65.0MJul 2026
ReplicateAcquired

Run machine learning models in the cloud

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Series BTotal funding$57.8MJun 2023
WeaveworksAcquired

Weaving containers into applications Cloud Computing Open Source Enterprise Software Microservices

London, United Kingdom51–200Cloud, Open Source
Series CTotal funding$56.6MDec 2020
MindsDB

MindsDB builds MindsHub, giving developers unified inference to build AI intelligence into their ...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Extension RoundTotal funding$54.1MAug 2023
CoreOSAcquired

CoreOS developed open source software and infrastructure tools that helped companies run cloud na...

San Francisco, United States51–200DevOps, Open Source
Series BTotal funding$40.0MMay 2016
Alokai

Alokai is a Frontend as a Service for composable commerce that helps retailers build fast, modern...

Warsaw, Poland51–200Developer Tools, E-Commerce
Extension RoundTotal funding$39.0MMar 2023
Mastra

Mastra is an open-source TypeScript framework that helps developers build, observe, and improve A...

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Series ATotal funding$35.0MMay 2026
CloudQuery

CloudQuery is a self-hosted platform that points at your cloud providers and SaaS apps, then sync...

Tel Aviv, Israel11–50Cloud, Data & Analytics
Series ATotal funding$34.5MJun 2025
Gel DataAcquired

Gel (formerly EdgeDB) is an open-source graph-relational database built on PostgreSQL whose team ...

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Venture RoundTotal funding$34.0MMar 2026
Cal.com

Open-source scheduling infrastructure platform and Calendly alternative, offering self-hosted and...

San Francisco, United States11–50SaaS, Open Source
SeedTotal funding$32.4MSep 2022
Enso

Self-Service Data Prep and Blend Built for Data Teams.

Kraków, Poland11–50Open Source, SaaS
Series ATotal funding$30.5MApr 2022
EnterpriseDBAcquired

EnterpriseDB builds a sovereign PostgreSQL and AI data platform trusted by 1,700+ enterprise cust...

Bedford, United StatesDatabases, Open Source
Private EquityTotal funding$27.5MJul 2022
Robocorp

Robocorp is a cloud platform for robotic process automation (RPA) and open source RPA tools Cloud...

San Francisco Bay Area, United States11–50Cloud, Open Source
Series ATotal funding$26.6MJun 2021
Project Discovery

Open-source cybersecurity company building tools for automated asset discovery and vulnerability ...

San Francisco, United States11–50Cybersecurity, Open Source
Series ATotal funding$25.0MAug 2023
Formance

Formance gives engineering teams open-source financial infrastructure with a programmable double-...

Paris, France11–50Developer Tools, Fintech
Series ATotal funding$24.1MJan 2025
Mem0

Mem0 builds persistent memory infrastructure for AI agents, making reliable long-term memory acce...

San Francisco, United States1–10Artificial Intelligence, Developer Tools
SeedTotal funding$23.9MOct 2025
GrowthBook

Warehouse-native platform that helps modern product teams run experimentation, feature flags, and...

Palo Alto, United States11–50Analytics, Developer Tools
Series ATotal funding$23.1MJun 2025
Lago

Open Source Metering and Usage Based Billing

Paris, France11–50FinOps, Fintech
Series ATotal funding$22.1MMar 2024
Okteto

Okteto is a developer platform that helps teams make software faster by moving development and pr...

San Francisco, United States11–50Developer Tools, Open Source
Series ATotal funding$21.0MFeb 2022
Lightdash

Lightdash provides open-source business intelligence that natively supports dbt metrics and inclu...

San Francisco, United States1–10Analytics, Data & Analytics
Series ATotal funding$19.4MOct 2024
Trigger.dev

Trigger.dev lets developers build and run durable AI agents and workflows in TypeScript with retr...

London, United Kingdom1–10Developer Tools, SaaS
Series ATotal funding$19.0MDec 2025
Infisical

Infisical secures and synchronizes secrets for developers across local, staging, production, and ...

San Francisco, United States11–50Cybersecurity, Developer Tools
Series ATotal funding$18.8MJun 2025
Infracost

Infracost integrates FinOps policies into engineers' workflows to prevent and remediate cloud was...

1–10Cybersecurity, Developer Tools
Series ATotal funding$17.2MNov 2025
Browser Use

Open-source Python library, among the top 100 GitHub repositories worldwide, that gives AI agents...

San Francisco, United States1–10Automation, Open Source
SeedTotal funding$17.0MMar 2025