Open-source alternatives to Notion
9 open-source projects that do what Notion does. Picked or featured by Willet; numbers are from GitHub.
Last updated
| Project | What it does | Stars | License | Last commit | Self-hostable |
|---|---|---|---|---|---|
| Notes, docs, and project boards in one workspace that keeps your data yours | 77.6k | AGPL-3.0 | Yes | ||
| A local-first note app built from blocks you can link and query | 46.9k | AGPL-3.0 | Yes | ||
| A private outliner for notes and journals, linked together as a graph | 45.3k | AGPL-3.0 | No | ||
| A note app for building a large personal knowledge base as a tree of notes | 38.4k | AGPL-3.0 | Yes | ||
| Desktop editor for markdown note vaults stored as git repositories | 20.1k | AGPL-3.0 | No | ||
| Desktop AI assistant with a work knowledge graph, email, notes and team spaces | 18k | Apache-2.0 | No | ||
| Claude Code skills that build a linked, source-cited Obsidian wiki | 15.7k | MIT | No | ||
| Team workspace combining email, chat, docs, tasks, CRM and AI agents | 4.8k | AGPL-3.0 | Yes | ||
| Local-first notes, journal and tasks stored as plain Markdown files | 4.2k | MIT | Yes |
