atomic
The premium Open Source alternative to Notion
🎯 Best for:Users who want a decentralized, future-proof personal knowledge graph.
What is atomic?
A self-hosted alternative to Notion and Roam Research. It is built on the Atomic Data protocol to enable decentralized, graph-based knowledge management with native semantic linking.
Tech Stack
RustKnowledge Base & Wiki
Why atomic?
- • Native semantic linking
- • Fast Rust-based core
- • Decentralized architecture
Limitations
- • Steep learning curve
- • Niche data protocol
- • Smaller ecosystem
4/17/2026
Last Update
73
Forks
7
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to atomic instantly boosts your runway.
Competitor Cost
-$1,200
/ year (est. based on Notion)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%