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
6/8/2026
Last Update
103
Forks
29
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%