All Industries

Top Open Source Companies

185 Open Source companies, sorted by total funding raised.

Revideo

Create Videos with Code

Berlin, Germany1–10Developer Tools, Open Source
Seed·$500K·Jul 2023
Rivet

Open-source Durable Objects

San Francisco, United States1–10Gaming, Infrastructure
Seed·$500K
SSOReady

Open source developer tools for enterprise single sign-on

San Francisco, United States1–10Cybersecurity, Developer Tools
Seed·$500K·Jul 2024
superglue

automated data transformation for APIs and CSVs

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Pre-seed·$500K·Feb 2025
Zenbase AI

Continuous prompt optimization for LLMs from DSPy core contributors

San Francisco, United States1–10Artificial Intelligence, Generative AI
Pre-seed·$500K·Sep 2024
Tracecat

Open source Tines / Splunk SOAR alternative for security engineers.

San Francisco, United States1–10Artificial Intelligence, Cybersecurity
Seed·$500K·Apr 2024
LotusIPO

Open-Core Pricing and Billing Engine

New York, United States1–10Fintech, Manufacturing
Seed·$500K·Jul 2022
Structured Labs

Build data apps with AI

San Francisco, United States1–10Analytics, Artificial Intelligence
Seed·$500K
Windmill

Open-source platform to turn scripts into internal apps & workflows

Paris, France1–10Developer Tools, Open Source
Seed·$500K·Jan 2023
Gauge

Solving the monolith/microservices dilemma.

San Francisco, United States1–10Developer Tools, Open Source
Seed·$500K·Jul 2024
Data MechanicsAcquired

Spark-on-Kubernetes Data Engineering Platform

Paris, France11–50Data & Analytics, Open Source
Seed·$150K·Jun 2019
Wasmer

The Operating System for Edge Computing

San Francisco, United States11–50Developer Tools, Open Source
Seed·$150K·Jan 2019
Laudspeaker

Open source mobile marketing platform. Alternative to appcues /…

Mountain View, United States1–10SaaS, Open Source
Venture Round·$125K
LunaticClosed

Operating System for server-side apps

Vienna, Austria1–10Developer Tools, Open Source
Seed·$125K·Jan 2021
Pipekit

Pipekit scales data & CI pipelines for enterprises

1–10Data & Analytics, DevOps
Seed·$125K·Sep 2021
PyroscopeAcquired

Open source continuous profiling software to debug performance issues

Oakland, United States1–10Developer Tools, Open Source
Seed·$125K·Jul 2021
RequestlyAcquired

Open-Source Postman alternative

San Francisco, United States11–50Developer Tools, Open Source
Angel·$125K·Mar 2022
SuperTokens

Open source alternative to Auth0 / AWS Cognito / Firebase Auth

San Francisco, United States1–10Developer Tools, Open Source
Seed·$125K·Aug 2020
Standard CyborgClosed

Buid, test and deploy perception applications

San Francisco, United States1–10Artificial Intelligence, Healthcare
Seed·$120K·Mar 2019
TipeClosed

Open-source, customizable, headless CMS

San Francisco, United States1–10Open Source, Developer Tools
Seed·$120K·Jan 2018
ArroyoAcquired

Cloud-native stream processing

Berkeley, United States1–10Cloud, Developer Tools
Seed·Apr 2023
AXAR AI

Runtime for building reliable LLM apps

Mountain View, United States1–10Artificial Intelligence, Developer Tools
Venture Round·Jan 2025
BookStack

BookStack is a free, open-source, self-hosted platform for organizing and storing information and...

United Kingdom1–10Developer Tools, Knowledge Management
Funding undisclosed
Chunkr

Open source API service to parse complex documents

1–10Artificial Intelligence, Data & Analytics
Seed
Codeberg

A nonprofit, community-led Git hosting platform for free and open source software projects.

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