All Industries

Top Open Source Companies

168 Open Source companies, sorted by total funding raised.

G
Grai
Closed

Open source version control for metadata

San Francisco, United States1–10Analytics, Data & Analytics
Funding undisclosed
M
moonrepo
Closed

Open source build tool for monorepos and large codebases

Portland, United States1–10Developer Tools, Open Source
Funding undisclosed
P
Payload
Acquired

Developer-First Headless CMS and Application Framework

Grand Rapids, United States1–10Developer Tools, Open Source
Funding undisclosed
O
OpenPipe
Acquired

Turn expensive prompts into cheap fine-tuned models

Seattle, United States1–10AI Operations, Artificial Intelligence
Funding undisclosed
N
Nango

A single API for all your integrations

San Francisco, United States1–10Developer Tools, Open Source
Funding undisclosed
S
SSOReady

Open source developer tools for enterprise single sign-on

San Francisco, United States1–10Cybersecurity, Developer Tools
Funding undisclosed
N
Netmaker

Automated WireGuard networks for distributed systems and Kubernetes

Asheville, United States1–10Cybersecurity, Developer Tools
Funding undisclosed
S
superglue

automated data transformation for APIs and CSVs

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Funding undisclosed
O
Openbase
Closed

Open-source library discovery

San Francisco, United StatesCybersecurity, Developer Tools
Funding undisclosed
T
Tipe
Closed

Open-source, customizable, headless CMS

San Francisco, United States1–10Open Source
Funding undisclosed
O
Onlook

Cursor for Designers

San Francisco, United States1–10Artificial Intelligence, Design Tools
Funding undisclosed
M
Mentra

Building the open source smart glasses operating system.

San Francisco, United States1–10AR/VR, Artificial Intelligence
Funding undisclosed
H
highlight.io
Acquired

The open source, fullstack monitoring platform: stop guessing why…

Seattle, United States1–10Developer Tools, Open Source
Funding undisclosed
D
Dittofeed

Open-source customer engagement & messaging automation

Los Angeles, United States1–10Open Source
Funding undisclosed
O
OpenFoundry

The fastest developer experience for building on open source AI.

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Funding undisclosed
L
Lightdash

The open source Looker alternative

1–10Analytics, Data & Analytics
Funding undisclosed
W
Warrant
Acquired

Authorization and access control as a service.

Los Angeles, United States1–10Developer Tools, Open Source
Funding undisclosed
T
Tensil
Closed

We turn machine learning models into custom hardware.

San Francisco, United States1–10Artificial Intelligence, Hardware
Funding undisclosed
L
Lantern
Closed

Postgres vector database extension to build AI applications

San Francisco, United States1–10Artificial Intelligence, Databases
Funding undisclosed
P
ParadeDB

Postgres for Search and Analytics

New York, United States1–10Analytics, Databases
Funding undisclosed
Apollo

Apollo helps engineering teams accelerate delivery

San Francisco, United States51–200Developer Tools, Open Source
Funding undisclosed
S
Sublingual
Closed

LLM Observability with zero changes to your code

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Funding undisclosed
RL
Random Labs

Random labs is building fully open source software agents

AI Assistant, Artificial Intelligence
Funding undisclosed
PA
Pretzel AI

Open-source & AI-native replacement for Jupyter Notebooks

Berlin, Germany1–10Analytics, Artificial Intelligence
Funding undisclosed
B
Ballerine

Open-source KYC and risk management infrastructure

1–10Financial Services, Fintech
Funding undisclosed