Open source companies building in public — transparent, community-driven, and free to self-host
97 hand-picked Open Source companies
The open observability platform
The leading open-source headless CMS
ChatGPT-style UI for any LLM
The fastest OLAP database in the world
Virtual whiteboard for sketching hand-drawn diagrams
Self-hosted Google Photos replacement
Distributed SQL that survives anything
The cloud-native application proxy
Privacy-first Google Analytics alternative
Instant GraphQL and REST APIs on your data
Self-host Heroku and Netlify on your own server
Self-hosted monitoring tool like UptimeRobot
High-performance S3-compatible object storage
Open source Notion alternative
Open source Slack alternative for developers
Container management made simple
Modern open source ChatGPT UI framework
Diagrams and charts as code
Building blocks for digital commerce
Self-hosted PDF manipulation toolkit
Time-series SQL built on Postgres
Painless self-hosted all-in-one software development
Visual framework for building multi-agent AI apps
All-in-one open source security scanner
Call 100+ LLMs with one interface
Fast, collaborative, wiki-style knowledge base
Open source personal finance and wealth management
The ultimate multi-model database
Fast and customizable vulnerability scanner
Drag-and-drop UI to build LLM flows
Simple, fast, privacy-focused web analytics
Open source IDE for exploring APIs
Networked notes and knowledge graph
Document management that feels magical
The enterprise open source feature management solution
Organized team chat that does not interrupt you
Open source marketing automation platform
Open source investment research terminal
A tiny little drawing app and SDK
Open source GraphQL-first e-commerce platform
AI-powered photo manager with private cloud
A next-generation relational database
Open source AI code assistant for any LLM
Cloud native identity and access management
Local-first personal budgeting app
Open source feature flagging and A/B testing
Personal CRM to remember your relationships
Multimodal vector database for AI
Modern relational spreadsheet with database power
Open source identity provider that just works
Self-hosted newsletter and mailing list manager
All-in-one project management platform
Open source AI-powered screen and audio recorder
Open standard for metadata and data discovery
Open source authentication that is 10x easier
Feature flags and remote config for any platform
Open source self-hosted Tailscale control server
Full-featured open source mail delivery server
The open source LLM evaluation framework
Free open source agile project management tool
Database DevOps and CI/CD for teams
Streaming SQL for real-time analytics
Open source observability with 140x lower storage costs
Open source session replay and debugging suite
The superpowered Node.js headless CMS
Lightweight, self-hosted memo hub
SQL for cloud APIs and infrastructure
Integration platform for AI agents
Zero-trust networking built on WireGuard
End-to-end encrypted notes app
Identity infrastructure for your next project
Open source AI coding agent for large projects
A lightweight web security auditing toolkit
Open source Confluence and Notion alternative
Visual editing for your Git-backed website
Dev environments and CI/CD for Kubernetes teams
Open source observability and on-call platform
Open source WireGuard-based VPN and access gateway
Open source LLM evaluation and tracing
Open source observability platform
A headless GraphQL e-commerce framework
Open source dev containers on any infrastructure
Database UI as intuitive as a spreadsheet
Enterprise-ready, open source feature management
Open source AI agent platform
Open source scheduling and meeting polls
The open source to-do app
Enterprise SSO and directory sync in minutes
Open source error tracking
Simple yet powerful CI/CD engine with great extensibility
Open source customer engagement platform
Secure and modern open source mail server
Open source project management for non-project managers
Git-based CMS for your code editor and GitHub
Open source analytics for product and marketing teams
Open source LLM observability and evaluation
Self-hosted tunneled reverse proxy with auth
