atomic
About atomic
Atomic is a self-hosted personal knowledge base that organizes markdown notes into a semantically-connected knowledge graph. It automatically processes notes into chunks, embeds them for semantic search, and links related content. The system supports AI-augmented features like auto-tagging, wiki article generation, and conversational search.
The software offers multiple interfaces including a spatial canvas for visualizing connections, a chat interface for querying knowledge, and tools for capturing web content. It can be deployed as a desktop application, headless server, or web service with options for local or cloud hosting.
Key features
- Markdown notes with automatic chunking and semantic linking
- Vector search using sqlite-vec for finding content by meaning
- Interactive force-directed graph visualization of knowledge connections
- AI-generated wiki articles with citations from personal notes
- Scheduled research reports and automated knowledge tracking
- Conversational interface with RAG capabilities
- Hierarchical auto-tagging powered by LLMs
- Support for multiple AI providers including OpenRouter and Ollama
Download v1.42.2
Jul 13, 2026Frequently asked questions
- Is atomic free?
- Yes. atomic is free and open-source software, distributed under the MIT license.
- Which platforms does atomic support?
- atomic provides downloads for Windows, macOS, Linux.
- What is the latest version of atomic?
- The latest version is v1.42.2, released on Jul 13, 2026.
- How do I install Atomic?
- Atomic can be installed as a desktop app from GitHub Releases for macOS, Linux, and Windows, or deployed as a server using Docker Compose or Fly.io. The desktop app includes a setup wizard for initial configuration.
- What AI providers does Atomic support?
- Atomic works with OpenRouter, Ollama, and any OpenAI-compatible API provider. These are used for embeddings, tagging, content generation, and chat functionality.
- Can I access my knowledge base from mobile devices?
- Yes, there is a native iOS app available on the App Store for mobile access to Atomic knowledge bases.
- How does the browser extension work?
- The Atomic Web Clipper browser extension captures web content and saves it as notes in your knowledge base. It queues captures offline and syncs when the server is available.
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