Lumen is a free, open-source note-taking app based on the Zettelkasten Method.
Think of Lumen as your private knowledge garden. It’s where you plant, grow, and harvest ideas.
Write notes with markdown and store them as plain text files in a GitHub repository of your choice. You own your data. Forever.
Connect your notes with links and tags. Lumen makes it easy to explore your knowledge graph and discover new connections.
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…
⚠️ Warning: Work in progress. Expect breaking changes. Follow Lumen on Twitter for updates.