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. 59 profiles published.
GitHub metrics snapshot: 2026-10-31
n8n
209.2k ★Free and source-available fair-code licensed workflow automation tool.
Ollama
185.5k ★Get up and running with large language models locally.
Open WebUI
157.4k ★Extensible, feature-rich, self-hosted ChatGPT-like WebUI.
Excalidraw
134.9k ★Virtual whiteboard for sketching hand-drawn like diagrams.
Supabase
114.4k ★The open source Firebase alternative.
LobeChat
83.6k ★Open-source, modern-design AI chat framework.
AppFlowy
78.0k ★The open source alternative to Notion.
Grafana
77.6k ★The open observability platform.
AFFiNE
74.0k ★There can be more than Notion and Miro.
Strapi
73.4k ★Design APIs fast, manage content easily. Leading Open-Source Headless CMS.
NocoDB
65.4k ★The open source Airtable alternative.
Coolify
65.4k ★An open-source & self-hostable Heroku / Netlify / Vercel alternative.
Penpot
61.9k ★The open-source design tool for design & code collaboration.
Plane
61.8k ★Open source project management tool. Alternative to Jira, Linear, Height.
PocketBase
61.6k ★Open Source realtime backend in 1 file.
MinIO
61.3k ★High performance, S3 compatible object storage.
Appwrite
57.8k ★Build like a team of hundreds. Open-source backend server.
Huginn
50.2k ★Create agents that monitor and act on your behalf.
Cal.com
49.6k ★Scheduling infrastructure for absolutely everyone.
LibreChat
46.6k ★Enhanced ChatGPT clone with agents, DALL-E, RAG, and multi-modal chat.
Rocket.Chat
46.4k ★The open source omnichannel customer communication platform.
Payload CMS
45.6k ★The next-generation Headless CMS and application framework built with TypeScript.
Logseq
45.4k ★A privacy-first, open-source platform for knowledge management and collaboration.
Appsmith
41.1k ★Low-code project for building internal applications.
Outline
41.1k ★The fastest knowledge base for growing teams.
PostHog
40.6k ★All-in-one product analytics, session replay, feature flags, A/B testing.
Umami
39.8k ★Simple, fast, privacy-focused alternative to Google Analytics.
Directus
38.8k ★Modern Open-Source Data Platform. Instant APIs & Apps for any SQL Database.
Chatwoot
38.7k ★Open-source live-chat, email support, omni-channel desk.
Keycloak
37.6k ★Open Source Identity and Access Management for modern applications.
Nextcloud
37.4k ★The most deployed on-premises file share and collaboration platform.
Dokku
32.2k ★The smallest PaaS implementation you've ever seen.
Plausible Analytics
29.7k ★Simple, privacy-friendly Google Analytics alternative.
Focalboard
26.5k ★Open source, self-hosted alternative to Trello, Notion, and Asana.
Authentik
26.2k ★The authentication glue you need.
Zulip
26.1k ★Open-source team chat that helps teams stay productive.
Activepieces
25.3k ★AI-first, no-code workflow automation.
Listmonk
24.1k ★High performance, self-hosted newsletter and mailing list manager.
Node-RED
23.8k ★Low-code programming for event-driven applications.
OpenObserve
22.6k ★10x easier, 140x lower storage cost, high performance observability platform.
Docmost
22.2k ★Open-source collaborative wiki and documentation software.
Matomo
22.0k ★The Google Analytics alternative that protects your data.
BookStack
19.1k ★A simple, self-hosted, easy-to-use platform for organising and storing information.
Windmill
18.3k ★Open-source developer platform to turn scripts into workflows and UIs.
Seafile
15.4k ★High performance file syncing and sharing, with also Markdown WYSIWYG editing.
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
13.6k ★Secure decentralized communication built on Matrix.
Formbricks
13.2k ★Open source experience management. Free & self-hostable.
Mautic
10.9k ★The world's largest open source marketing automation platform.
Nhost
9.4k ★The Open Source Firebase alternative with GraphQL.
BigBlueButton
9.3k ★Open source virtual classroom software.
Baserow
6.3k ★Open source no-code database and Airtable alternative.
Papercups
6.1k ★Open source live chat alternative to Intercom, Zendesk, Drift.
Vikunja
5.9k ★The open-source, self-hostable to-do app.
Jitsu
5.1k ★An open-source Segment alternative. Fully-scriptable data ingestion engine.
RudderStack
4.5k ★Warehouse-native CDP built for developers.
Trilium Notes
2.9k ★Hierarchical note-taking application with focus on building large personal knowledge bases.