Notion alternatives
19 open source tools you can use instead of Notion
The most-starred open source alternative to Notion is AppFlowy. Other notable options: AFFiNE, Memos, SiYuan, Logseq. All of them are free to download and most can run on your own server.
Logseq45.5k
logseq/logseq
Privacy first open source knowledge management and note taking platform.
Alternative to: Roam Research, Notion
Outline41.2k
outline/outline
Fast, real-time collaborative knowledge base and wiki for growing teams, with a clean modern editor.
Alternative to: Confluence, Notion
Trilium Notes38.7k
TriliumNext/Trilium
Hierarchical note taking app for building a large personal knowledge base.
Wiki.js29.2k
requarks/wiki
Modern, powerful open source wiki software with Markdown support.
Alternative to: Confluence, Notion
Focalboard26.5k
mattermost-community/focalboard
Self-hosted project management tool, an alternative to Trello, Notion and Asana.
Docmost22.2k
Open source collaborative wiki and documentation software for teams, self-hostable with real-time editing.
Tolaria20.5k
Desktop app for managing and editing knowledge bases made of plain markdown files stored locally.
BookStack19.1k
Self-hosted wiki and documentation platform that organizes content into books, chapters and pages.
Docs17k
Web-native open-source text editor built for real-time collaboration.
Quarkdown16.3k
Markdown-based typesetting tool that compiles to papers, slides, books and websites.
Notesnook14.9k
Open source, end-to-end encrypted note taking app available on all major platforms.
VNote13k
Note-taking app focused on Markdown and mind maps with native speed
NoteGen13k
Local-first Markdown app that captures scattered notes first and organizes them later with AI
Blinko11.2k
Privacy focused, self-hosted personal AI note taking app with quick capture and search
No tools match these filters.