Best Notion Alternatives (10 Free OSS)
All-in-one workspace for notes and collaboration
https://www.notion.soNotion is a versatile workspace, but concerns about cloud-only data storage and offline limitations lead some users to seek alternatives. devpick lists 7 open source tools that provide data sovereignty through self-hosting.
- Data sovereignty through self-hosting without entrusting data to external services
- Offline support with Logseq and AFFiNE operating fully local-first
- Block editors in AppFlowy and AFFiNE delivering a Notion-like experience
- Wiki specialization with Outline, Wiki.js, and BookStack for team documentation
- Knowledge graphs in Logseq and Trilium for bidirectional link-based knowledge structuring
10 tools
AppFlowy
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.
AFFiNE
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 and ready to use.
joplin
Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.
siyuan
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
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
outline
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
Trilium
Build your personal knowledge base with Trilium Notes
wiki
Wiki.js | Next Generation Open Source Wiki
focalboard
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
hedgedoc
HedgeDoc - Ideas grow better together
How to Choose
For an all-in-one Notion replacement choose AppFlowy, for wiki-focused documentation choose Outline, and for personal knowledge management choose Logseq — each alternative excels in its specific use case.