Lumen is a simple note-taking app for better thinking.
Warning
Work in progress. Expect breaking changes. Follow @uselumen.com on Bluesky for updates.
Think of Lumen as your private knowledge garden. It's where you plant, grow, and harvest ideas.
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🌱 Plant
Write notes in markdown files and store them in a GitHub repository of your choice. You own your data, forever.
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🌿 Grow
Connect your notes with links and tags. Lumen makes it easy to explore your knowledge graph and discover new connections.
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🌻 Harvest
Access your notes from anywhere—even offline. Use Lumen's flexible query language to find exactly what you're looking for.
Notes in Lumen are...
- written in markdown
- stored as files on GitHub
- version-controlled with Git
- interconnected
- searchable
- available offline
- accessible on any device
- compatible with other apps
- Introduction to the Zettelkasten Method by Sascha
- How To Take Smart Notes by Sönke Ahrens
- Digital Zettelkasten by David Kadavy
- Andy Matuschak's notes