All Industries

Top Open Source Companies

168 Open Source companies, sorted by total funding raised.

B
BotCity

Open Source Python RPA + orchestration for tech teams.

San Francisco, United States11–50Artificial Intelligence, Automation
Series A·$15.0M·Sep 2025
A
Activeloop

Database for AI

Mountain View, United States11–50Computational Storage, Artificial Intelligence
Series A·$11.0M·Mar 2024
B
bloop

Modernising legacy code with AI

London, United Kingdom1–10Artificial Intelligence, Open Source
Seed·$7.4M·Dec 2021
S
Scarf
Oakland, United StatesDeveloper Tools, Open Source
Funding undisclosed
C
CodeStream
Acquired

CodeStream is a Developer Collaboration Platform designed to…

New York, United States1–10Developer Tools, Open Source
Venture Round·$5.6M·Aug 2019
C
Continue

Create, share, and use custom AI code assistants

San Francisco, United States1–10Artificial Intelligence, Cybersecurity
SAFE·$5.1M·Feb 2025
CP
Common Paper

The SAFE for commercial contracts

Philadelphia, United States1–10Legal Tech, Open Source
Seed·$4.5M·Mar 2022
A
Astral

Developer tools company building high-performance Python ecosystem tooling including Ruff (linter...

New York, United StatesDeveloper Tools, Open Source
Funding undisclosed
B
Beam

AI Infrastructure for Developers

New York, United States1–10Artificial Intelligence, Developer Tools
Seed·$3.5M·May 2022
CG
Chaos Genius
Acquired

DataOps Observability Platform for Snowflake

San Francisco, United States1–10Analytics, Cybersecurity
Seed·$3.3M·Jan 2023
CA
Confident AI

The DeepEval LLM Evaluation Platform

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Seed·$2.7M·Apr 2025
C
CustomerOS
Closed

The only agent-first CRM, designed for humans and built for B2B SaaS.

London, United Kingdom1–10Open Source
Pre-Seed·$2.6M·Jun 2023
A
Artillery

Modern testing platform for DevOps & SRE

Limerick, Ireland1–10DevOps, Developer Tools
Seed·$2.0M·Jan 2022
G
Glasskube

Software Distribution Platform for On-Prem, Kubernetes, Docker & BYOC

Vienna, Austria1–10DevOps, Developer Tools
Seed·$500K·Jun 2024
W
Wasmer

The Operating System for Edge Computing

San Francisco, United States11–50Developer Tools, Open Source
Funding undisclosed
R
Replicate
Acquired

Run machine learning models in the cloud

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Funding undisclosed
T
TableFlow

AI Agents for Document Workflows

San Francisco, United States1–10Artificial Intelligence, Data & Analytics
Funding undisclosed
M
Matano

Cloud Native SIEM (alternative to Splunk/Elastic)

Seattle, United States1–10Analytics, Cybersecurity
Funding undisclosed
C
Chunkr

Open source API service to parse complex documents

1–10Artificial Intelligence, Data & Analytics
Funding undisclosed
R
Revideo

Create Videos with Code

Berlin, Germany1–10Developer Tools, Open Source
Funding undisclosed
L
Langfuse

Open source LLM engineering platform

Berlin, Germany1–10Analytics, Artificial Intelligence
Funding undisclosed
R
Rivet

Open-source Durable Objects

San Francisco, United States1–10Gaming, Infrastructure
Funding undisclosed
T
Tracecat

Open source Tines / Splunk SOAR alternative for security engineers.

San Francisco, United States1–10Artificial Intelligence, Cybersecurity
Funding undisclosed
O
Opslane

AI SRE to speed up incident response

San Francisco, United States1–10Artificial Intelligence, DevOps
Funding undisclosed
R
RecipeUI

The open source Postman alternative.

New York, United States1–10Developer Tools, Open Source
Funding undisclosed