Atomic

Atomic is an AI-native knowledge graph that organizes notes through semantic search, wiki synthesis, and agentic chat. It solves the problem of finding and connecting information across notes by automatically tagging and embedding content. The product targets developers, data professionals, and individual users who want a self-hosted or cloud-based note-taking solution. It is positioned as an open-source alternative that gives users full control over their data and AI models, with options for desktop, self-hosted server, or cloud hosting.

Key features

• Semantic search by meaning
• Wiki synthesis with citations
• Agentic chat with citations
• Spatial canvas for ideas
• Auto-tagging of notes
• MCP integration with Claude/Cursor
• Daily briefing summary
• Cross-device sync via server