All Industries
Top Open Source Companies
185 Open Source companies, sorted by total funding raised.
Sourcehut
A network of open source tools for software project maintainers, including Git/Mercurial hosting,...
United States1–10Developer Tools, Open Source
Funding undisclosed
SublingualClosed
LLM Observability with zero changes to your code
San Francisco, United States1–10Artificial Intelligence, Developer Tools
Funding undisclosed
TableFlow
AI Agents for Document Workflows
San Francisco, United States1–10Artificial Intelligence, Data & Analytics
Funding undisclosed
Sails Co.
Full-service web, mobile, & cloud studio providing professional…
Austin, United States1–10Cloud, Open Source
Funding undisclosed
Tiptap
Developer toolkit for building collaborative apps.
Berlin, Germany11–50Developer Tools, Open Source
Seed·Oct 2023
Tokutek
Developer of high-performance, scalable database technology including TokuDB — an open source, hi...
Tp Đà Nẵng, United States11–50Databases, Open Source
Funding undisclosed
Traceloop
OpenTelemetry-based observability for your LLM application
Tel Aviv-Yafo, Israel1–10Developer Tools, Generative AI
Seed·May 2025
Mito
Cursor for data analysis
New York, United States1–10Analytics, Artificial Intelligence
Seed·Jul 2022
Unsloth AI
Open Source Fine-tuning & Training of LLMs
San Francisco, United States1–10Artificial Intelligence, Generative AI
Seed·Sep 2024
OpticAcquired
Making APIs Developer-friendly
New York, United States1–10Developer Tools, Open Source
Seed·Aug 2018