Atomic
Self-hosted, semantically-connected personal knowledge base
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
HN · launched Mar 21, 2026 · 152 upvotes (top 5%) · 0 views
Niche: knowledge management software · 95 launches, 7 in the last 7 days ▲ +17% · Explore this niche →
Category and tags
- Horizontal
- Search & retrieval
- Prosumer
- AI feature
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 95 launches in knowledge management software →
Could you build this?
Yes Building a self-hosted personal knowledge base with semantic search and interconnected notes can be implemented with standard CRUD, SQLite/libsql, and open-source vector embedding libraries.
Discussion
20 comments analyzed.
Competitors mentioned: Obsidian, greywall.io, Other AI memory tools
Concerns raised: Graph view not currently useful at scale, Storage scalability for large knowledge bases, Claude forgetting information despite repeated mentions
Feature requests: Automatic atomization of session insights without manual prompting, PDF ingestion and OCR support, iOS app share target for mobile article capture, Stop hook to wire automatic learning from code sessions, Graph view improvements to prevent semantic hairball at scale
Competitors
Other products that read as similar to this one : 1487 launches clear the similarity bar, closest 8 shown.
Attention rank: #77 of 1488 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 143 days after the earliest competitor.
- self-hydrating-notebook · github · 2026-09-13 · 7 upvotes · similarity 0.61
- Akashic · hn · 2026-07-19 · 11 upvotes · similarity 0.56
- A Local-First Agentic Knowledge Manager · hn · 2026-05-08 · 16 upvotes · similarity 0.55
- elementera-coast-source · github · 2026-09-19 · 9 upvotes · similarity 0.54
- doca · github · 2026-09-27 · 19 upvotes · similarity 0.53
- Kiso, an open-source publishing engine for Open Knowledge Format · hn · 2026-06-27 · 21 upvotes · similarity 0.53
- fastjev · github · 2026-09-20 · 20 upvotes · similarity 0.52
- Ghostmeet · hn · 2026-07-08 · 17 upvotes · similarity 0.52
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.