Tool profiles
One page per open-source project we recommend: what it replaces, how hard it is to self-host, licence class, and live GitHub activity. 45 profiles published.
GitHub metrics snapshot: 2026-09-02
n8n
203.2k ★Free and source-available fair-code licensed workflow automation tool.
Ollama
180.0k ★Get up and running with large language models locally.
Open WebUI
150.7k ★Extensible, feature-rich, self-hosted ChatGPT-like WebUI.
Excalidraw
131.0k ★Virtual whiteboard for sketching hand-drawn like diagrams.
Supabase
108.7k ★The open source Firebase alternative.
LobeChat
82.2k ★Open-source, modern-design AI chat framework.
Grafana
76.6k ★The open observability platform.
AppFlowy
76.2k ★The open source alternative to Notion.
Strapi
73.1k ★Design APIs fast, manage content easily. Leading Open-Source Headless CMS.
AFFiNE
72.1k ★There can be more than Notion and Miro.
NocoDB
64.8k ★The open source Airtable alternative.
MinIO
61.4k ★High performance, S3 compatible object storage.
Coolify
61.3k ★An open-source & self-hostable Heroku / Netlify / Vercel alternative.
PocketBase
60.9k ★Open Source realtime backend in 1 file.
Penpot
59.5k ★The open-source design tool for design & code collaboration.
Plane
58.8k ★Open source project management tool. Alternative to Jira, Linear, Height.
Appwrite
57.2k ★Build like a team of hundreds. Open-source backend server.
Huginn
49.9k ★Create agents that monitor and act on your behalf.
Cal.com
48.1k ★Scheduling infrastructure for absolutely everyone.
Rocket.Chat
46.1k ★The open source omnichannel customer communication platform.
Logseq
44.7k ★A privacy-first, open-source platform for knowledge management and collaboration.
Payload CMS
44.5k ★The next-generation Headless CMS and application framework built with TypeScript.
LibreChat
42.7k ★Enhanced ChatGPT clone with agents, DALL-E, RAG, and multi-modal chat.
Appsmith
40.8k ★Low-code project for building internal applications.
Directus
37.7k ★Modern Open-Source Data Platform. Instant APIs & Apps for any SQL Database.
Keycloak
36.6k ★Open Source Identity and Access Management for modern applications.
Chatwoot
36.4k ★Open-source live-chat, email support, omni-channel desk.
Dokku
32.1k ★The smallest PaaS implementation you've ever seen.
Zulip
25.8k ★Open-source team chat that helps teams stay productive.
Authentik
25.3k ★The authentication glue you need.
Activepieces
24.2k ★AI-first, no-code workflow automation.
Node-RED
23.6k ★Low-code programming for event-driven applications.
OpenObserve
21.6k ★10x easier, 140x lower storage cost, high performance observability platform.
Docmost
21.6k ★Open-source collaborative wiki and documentation software.
BookStack
19.0k ★A simple, self-hosted, easy-to-use platform for organising and storing information.
SuperTokens
15.3k ★Open source alternative to Auth0 / Firebase Auth / AWS Cognito.
CapRover
15.2k ★Scalable PaaS (automated Docker + Nginx cluster manager).
Automatisch
14.0k ★The open source Zapier alternative.
Element
13.4k ★Secure decentralized communication built on Matrix.
Formbricks
12.9k ★Open source experience management. Free & self-hostable.
Mautic
10.4k ★The world's largest open source marketing automation platform.
Nhost
9.3k ★The Open Source Firebase alternative with GraphQL.
BigBlueButton
9.2k ★Open source virtual classroom software.
Baserow
5.8k ★Open source no-code database and Airtable alternative.
Jitsu
5.1k ★An open-source Segment alternative. Fully-scriptable data ingestion engine.