Lumen is a simple note-taking app for better thinking.

Open Lumen →

Think of Lumen as your private knowledge garden. It's where you plant, grow, and harvest ideas.

• 🌱 Plant

  Write notes in markdown files and store them in a GitHub repository of your choice. You own your data, forever.

• 🌿 Grow

  Connect your notes with links and tags. Lumen makes it easy to explore your knowledge graph and discover new connections.

• 🌻 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

• Markdown syntax
• Metadata
• Templates
• Query language
• Keyboard shortcuts
• Status
• Contributing

• Introduction to the Zettelkasten Method by Sascha
• How To Take Smart Notes by Sönke Ahrens
• Digital Zettelkasten by David Kadavy
• Andy Matuschak's notes

• Bear
• Foam
• iA Writer
• Logseq
• Obsidian
• Reflect
• Roam Research
• Supernotes
• Tana
• Tangent

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