Notes & docs · Updated October 2026
Notion is an all-in-one workspace for notes, docs, wikis, and databases. If you would rather own your tools, here are 7 open source alternatives to Notion, ranked by GitHub stars. Each one is free to use under its license, and you can read, change, and often self-host the code.
The most popular is AppFlowy with 77.6k stars, and the most recently updated is Outline, with a commit on Oct 21, 2026.
| Project | Stars | License | Language | Last commit |
|---|---|---|---|---|
 AppFlowy | 77.6k | AGPL-3.0 | Dart | Oct 21, 2026 |
 AFFiNE | 73.7k | Other | TypeScript | Oct 12, 2026 |
 SiYuan | 46.9k | AGPL-3.0 | TypeScript | Oct 21, 2026 |
 Logseq | 45.3k | AGPL-3.0 | Clojure | Oct 21, 2026 |
 Outline | 41k | Other | TypeScript | Oct 21, 2026 |
 Docmost | 22.1k | AGPL-3.0 | TypeScript | Oct 20, 2026 |
 Anytype | 9k | Other | TypeScript | Oct 13, 2026 |
by AppFlowy-IO
Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
by toeverything
There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable an…
by siyuan-note
An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作
by logseq
A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV
by outline
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
by docmost
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
by anyproto
Official Anytype client for MacOS, Linux, and Windows
By GitHub stars, AppFlowy is the most popular open source alternative to Notion right now, with 77.6k stars, followed by AFFiNE and SiYuan. The best fit depends on your setup, so compare their licenses, languages, and recent activity in the table above.
Yes. All 7 projects on this page are open source, so the software itself is free to use, study, and change. Some of them also sell a hosted version or paid support.
Outline (last commit Oct 21, 2026), Logseq (last commit Oct 21, 2026), and SiYuan (last commit Oct 21, 2026) have the most recent commits. Licenses on this list include AGPL-3.0.
