AFFiNE vs Atomic
Comparing two open source alternatives to Notion . Use the comparison below to decide which one fits your needs.
AFFiNE
Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.
Atomic
MITA self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.
Side-by-side comparison
| AFFiNE | Atomic | |
|---|---|---|
| License | — | MIT |
| Self-hostable | Yes | Yes |
| GitHub Stars | 67,005 | 707 |
| Forks | 4,715 | 52 |
| Open Issues | 575 | 3 |
| Last Commit | Apr 7, 2026 | Apr 4, 2026 |
| First Released | Jul 31, 2022 | Nov 25, 2025 |
| Categories | ||
| Tags |
Similar open source alternatives
Jotty
Lightweight self-hosted app for managing personal file-based notes and checklists.
Notion
memos
A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.
Obsidian
SilverBullet
Markdown-based note-taking app with powerful live queries, templates, and a pluggable scripting system for power users.
Notion
Wiki.js
Wiki.js | A modern and powerful wiki app built on Node.js
Notion
Excalidraw
Open-source virtual whiteboard for creating hand-drawn style diagrams and sketches.
Miro
Briefkasten
📮 Self hosted bookmarking app
Pocket