Lightweight self-hosted notes app with Markdown and SQLite

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Last commit: 1mo ago
Repo age: 1y old
Zen screenshot

Zen is a simple, lightweight self-hosted notes application designed for fast writing and long-term portability. Notes are stored as standard Markdown files with a local SQLite database for indexing and search.

Key Features

  • Single Go binary deployment (or Docker Compose) with very low resource usage
  • Notes stored as Markdown with a local SQLite database
  • Full-text search with BM25 ranking across titles and content
  • Flexible tagging and custom views (“Focus Modes”) instead of rigid folder structures
  • Rich Markdown support (tables, code blocks, task lists, highlights, and more)
  • Templates and pinned notes for faster capture and organization
  • Archive and soft delete with restore capability
  • Import/export for portability (Markdown, JSON, and referenced images)
  • Responsive, mobile-friendly UI with PWA support, dark mode, and offline reading
  • Experimental features: canvas view (JSON Canvas) and MCP server for searching/reading notes

Use Cases

  • Personal knowledge management with portable Markdown-based storage
  • Fast searchable note-taking for developers, students, and researchers
  • Lightweight notes service for homelabs or low-resource servers

Limitations and Considerations

  • Some capabilities (canvas, MCP server, semantic/similar-image features) are experimental and may change
  • Automated backups are handled via a separate companion tool rather than built in

Zen focuses on a clean interface, minimal dependencies, and future-proof storage so your notes remain accessible and easy to migrate. It’s a good fit for users who want a self-contained, low-ops notes app without proprietary formats.

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