the open source movement

Replace Notion.

12 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. AppFlowyCollaborative workspace for notes, wikis, documents and projects, with AI features and control over your data.★ 77k AGPL-3.0 Dart self-host managed
  2. AFFiNEKnowledge base that combines documents, whiteboards and databases for writing, planning and organizing.★ 73k MIT + AFFiNE EE license (backend) TypeScript self-host managed
  3. SiYuanPrivacy-focused, self-hostable knowledge management app with block-level references and Markdown editing.★ 47k AGPL-3.0 TypeScript self-host managed
  4. LogseqPrivacy-first knowledge management and outlining app for notes, journals and linked ideas.★ 45k AGPL-3.0 Clojure self-host
  5. OutlineKnowledge base and wiki for teams with real-time collaborative editing and Markdown support.★ 41k BSL-1.1 TypeScript self-host managed
  6. Trilium NotesHierarchical note-taking app for building a personal knowledge base, with scripting and sync.★ 38k AGPL-3.0 TypeScript self-host
  7. DocmostCollaborative wiki and documentation software with real-time editing, spaces and permissions.★ 22k AGPL-3.0 + enterprise ee/ TypeScript self-host managed
  8. La Suite DocsDocs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.★ 17k MIT Python self-host managed
  9. AnytypeLocal-first, encrypted workspace for notes, documents, tasks and databases, with peer-to-peer sync.★ 8.9k Any Source Available License 1.0 TypeScript self-host managed
  10. TiddlyWikiA self-contained JavaScript wiki for the browser, Node.js, AWS Lambda etc.★ 8.7k BSD-3-Clause JavaScript self-host
  11. SilverBulletMarkdown-based personal knowledge base and note-taking app, extensible with Lua scripting.★ 6.2k MIT TypeScript self-host
  12. AlexandrieOffline-first Markdown note-taking and knowledge base app with team workspaces, OIDC/SSO and S3 backups.★ 2.8k MIT Vue self-host
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.