All Industries

Top Open Source Companies

168 Open Source companies, sorted by total funding raised.

ClickHouse

ClickHouse is an open-source column-oriented database management system that focuses on real-time...

San Francisco, United StatesAnalytics, Cloud
Series D·$1.1B·Jan 2026
C
Convoy
Closed

Webhooks Gateway for outgoing and incoming webhooks.

Seattle, United States1–10Developer Tools, Open Source
Funding undisclosed
C
Chainguard

Chainguard is the safe source for open source.

Kirkland, United StatesCybersecurity, Software Supply Chain
Series D·$612.0M·Apr 2025
S
Supabase

Build in a weekend. Scale to billions.

San Francisco, United States51–200Cloud, Data & Analytics
Series E·$496.0M·Oct 2025
Docker

Software development platform.

Palo Alto, United States201–500DevOps, Open Source
Series C·$433.9M·Mar 2022
A
Aiven

Open source cloud data platform providing managed services for databases and streaming technologi...

Helsinki, Finland501–1000Cloud, Data & Analytics
Funding undisclosed
GitLab
IPO

A complete DevOps platform delivered as a single application.

San Francisco, United States1001–5000Cybersecurity, Developer Tools
Series E·$389.5M·Sep 2019
H
HashiCorp
Acquired

HashiCorp empowers organizations to automate and secure multi-cloud & hybrid environments. The co...

San Francisco, United States1001–5000Cloud, DevOps
Series E·$349.0M·Mar 2020
N
n8n

n8n is a free low-code workflow automation tool.

Berlin, GermanyWorkflow Automation, Developer Tools
Funding undisclosed
P
PostHog

The single platform to analyze, test, observe, and deploy new features

San Francisco, United States51–200Open Source
Series E·$175.0M·Sep 2025
I
InfluxData

The platform for building and operating time series applications.

San Francisco, United States201–500Analytics, Data & Analytics
Series E·$170.1M·Feb 2023
A
Airbyte

Open Data Movement Platform

San Francisco, United States51–200Data & Analytics, Developer Tools
Series B·$150.0M·Dec 2021
M
Mend

Application security platform (formerly WhiteSource) that helps developers manage open-source com...

Tel Aviv, IsraelApplication Security, Developer Tools
Funding undisclosed
VD
Voltron Data

Data infrastructure company building composable data systems and GPU-accelerated query engines, m...

Mountain View, United StatesArtificial Intelligence, Infrastructure
Funding undisclosed
Embrace

Modern mobile observability built on OpenTelemetry

Los Angeles, United States51–200Developer Tools, Open Source
Growth Equity·$79.5M·Jul 2023
M
MindsDB

AI that works at work. Turnkey. Private.

San Francisco, United States11–50Artificial Intelligence, Developer Tools
Extension Round·$54.1M·Aug 2023
F
FOSSA

Modern Open Source Risk Management Platform.

San Francisco, United StatesCybersecurity, Developer Tools
Funding undisclosed
A
Alokai

Frontend Platform for eCommerce

Warsaw, Poland51–200Developer Tools, E-Commerce
Extension Round·$38.9M·Mar 2023
C
CloudQuery

The open-source cloud asset inventory powered by SQL.

Tel Aviv, IsraelCloud, Data & Analytics
Funding undisclosed
C
Cal.com

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

San Francisco, United StatesSaaS, Open Source
Funding undisclosed
PD
Project Discovery

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

San Francisco, United StatesCybersecurity, Open Source
Funding undisclosed
M
Mem0

The Memory layer for your AI apps

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Seed·$23.9M·Oct 2025
BU
Browser Use

Open Source Web Agents

San Francisco, United States1–10Automation, Open Source
Seed·$17.0M·Mar 2025
A
authzed

Open Source, Google Zanzibar-inspired permissions database

New York, United States11–50Cybersecurity, Data & Analytics
Series A·$15.9M·Jun 2024
A
Artie

Software that streams data from databases to warehouses in real-time

San Francisco, United States1–10Data & Analytics, Developer Tools
Series A·$15.3M·Jan 2025