Top Open Source Companies
168 Open Source companies, sorted by total funding raised.
Open source version control for metadata
Open source build tool for monorepos and large codebases
Developer-First Headless CMS and Application Framework
Turn expensive prompts into cheap fine-tuned models
A single API for all your integrations
Open source developer tools for enterprise single sign-on
Automated WireGuard networks for distributed systems and Kubernetes
automated data transformation for APIs and CSVs
Open-source library discovery
Open-source, customizable, headless CMS
Cursor for Designers
Building the open source smart glasses operating system.
The open source, fullstack monitoring platform: stop guessing why…
Open-source customer engagement & messaging automation
The fastest developer experience for building on open source AI.
The open source Looker alternative
Authorization and access control as a service.
We turn machine learning models into custom hardware.
Postgres vector database extension to build AI applications
Postgres for Search and Analytics

Apollo helps engineering teams accelerate delivery
LLM Observability with zero changes to your code
Random labs is building fully open source software agents
Open-source & AI-native replacement for Jupyter Notebooks
Open-source KYC and risk management infrastructure