All Industries

Top Open Source Companies

190 Open Source companies, sorted by total funding raised.

Ragas

Building the open source standard for evaluating LLM Applications

San Francisco, United States1–10Artificial Intelligence, Developer Tools
SeedTotal funding$500KJun 2024
Random Labs

Random labs is building fully open source software agents

San Francisco, United StatesAI Assistant, Artificial Intelligence
Pre-seedTotal funding$500KJan 2024
RecipeUI

The open source Postman alternative.

New York, United States1–10Developer Tools, Open Source
SeedTotal funding$500KAug 2023
Revideo

Create Videos with Code

Berlin, Germany1–10Developer Tools, Open Source
SeedTotal funding$500KJul 2023
Rivet

Open-source Durable Objects

San Francisco, United States1–10Gaming, Infrastructure
SeedTotal funding$500K
SSOReady

Open source developer tools for enterprise single sign-on

San Francisco, United States1–10Cybersecurity, Developer Tools
SeedTotal funding$500KJul 2024
superglue

AI agents that connect, migrate, and implement enterprise systems using company knowledge, with c...

San Francisco, United States1–10Artificial Intelligence, Developer Tools
Pre-seedTotal funding$500KFeb 2025
Zenbase AI

Continuous prompt optimization for LLMs from DSPy core contributors

San Francisco, United States1–10Artificial Intelligence, Generative AI
Pre-seedTotal funding$500KSep 2024
Tracecat

Open source Tines / Splunk SOAR alternative for security engineers.

San Francisco, United States1–10Artificial Intelligence, Cybersecurity
SeedTotal funding$500KApr 2024
LotusIPO

Open-Core Pricing and Billing Engine

New York, United States1–10Fintech, Manufacturing
SeedTotal funding$500KJul 2022
Structured Labs

Build data apps with AI

San Francisco, United States1–10Analytics, Artificial Intelligence
SeedTotal funding$500K
Windmill

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

Paris, France1–10Developer Tools, Open Source
SeedTotal funding$500KJan 2023
Gauge

Solving the monolith/microservices dilemma.

San Francisco, United States1–10Developer Tools, Open Source
SeedTotal funding$500KJul 2024
Data MechanicsAcquired

Spark-on-Kubernetes Data Engineering Platform

Paris, France11–50Data & Analytics, Open Source
SeedTotal funding$150KJun 2019
Wasmer

The Operating System for Edge Computing

San Francisco, United States11–50Developer Tools, Open Source
SeedTotal funding$150KJan 2019
Laudspeaker

Open source mobile marketing platform. Alternative to appcues /…

Mountain View, United States1–10SaaS, Open Source
Venture RoundTotal funding$125K
LunaticClosed

Operating System for server-side apps

Vienna, Austria1–10Developer Tools, Open Source
SeedTotal funding$125KJan 2021
Pipekit

Pipekit scales data & CI pipelines for enterprises

United States1–10Data & Analytics, DevOps
SeedTotal funding$125KSep 2021
PyroscopeAcquired

Open source continuous profiling software to debug performance issues

Oakland, United States1–10Developer Tools, Open Source
SeedTotal funding$125KJul 2021
RequestlyAcquired

Open-Source Postman alternative

San Francisco, United States11–50Developer Tools, Open Source
AngelTotal funding$125KMar 2022
SuperTokens

Open source alternative to Auth0 / AWS Cognito / Firebase Auth

San Francisco, United States1–10Developer Tools, Open Source
SeedTotal funding$125KAug 2020
Standard CyborgClosed

Buid, test and deploy perception applications

San Francisco, United States1–10Artificial Intelligence, Healthcare
SeedTotal funding$120KMar 2019
TipeClosed

Open-source, customizable, headless CMS

San Francisco, United States1–10Open Source, Developer Tools
SeedTotal funding$120KJan 2018
Alphawallet

Tools

Crypto & Web3, DeFi
Funding undisclosed
ArroyoAcquired

Cloud-native stream processing

Berkeley, United States1–10Cloud, Developer Tools
SeedApr 2023