AFFiNE
Notes & Knowledge BaseWorkspace for docs, whiteboards and databases
Replaces Notion, Miro
The 28 best Multi-User notes & knowledge base you can self-host, ranked by community traction.
Workspace for docs, whiteboards and databases
Replaces Notion, Miro
Team knowledge base and wiki
Replaces Notion, Confluence
Cross-platform hierarchical note taking application with focus on
Self-hostable AI assistant over your personal notes
Replaces Notion AI, Evernote
Modern and powerful open-source wiki
Replaces Confluence, Notion
Open-source collaborative wiki and documentation
Replaces Confluence, Notion
Simple self-hosted documentation and wiki platform
Replaces Confluence, Notion
Private, end-to-end encrypted note-taking app
Replaces Evernote, OneNote
Open-source networked note-taking and knowledge graph
Replaces Roam Research, Obsidian
Realtime collaborative notebook app based on Markdown that supports
Simple, file-based wiki without a database
Replaces Confluence
Cross-platform note-taking app with a self-hosted server
Replaces Evernote, OneNote
Self-hosted backend for the AppFlowy workspace app
Replaces Notion
Lightweight but powerful alternative for managing your personal, file
Knowledge graph database with documents (similar to Notion), tables,
Lightweight distraction-free text editor, in the browser (Markdown and
Markdown note-taking web app designed for simplicity
Replaces Obsidian, Notion
Personal knowledge base for networked thinking
Replaces Roam Research, Obsidian
Self-hosted backend for the Notesnook encrypted notes app
Replaces Evernote, OneNote
Minimal web-based Markdown notes app
Encrypted diary Web application to save your personal memories of each
Host and create your own mindmaps
Web-based mind mapping for visual knowledge capture
Replaces MindMeister, XMind
Self-hosted brainstorming and idea capture board
Replaces Miro, Google Keep
Web-based knowledge base solution
Create simple mindmaps (documentation in French)
Online assessment software
Structured personal knowledge base, inspired by zettlekasten and
No apps match these filters.
Every option here is open-source and self-hostable, tagged Multi-User within the notes & knowledge base category. Compare them on the individual app pages for setup difficulty and resource requirements.