Limn
The facts below are what the maker publishes about Limn, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Limn's own pages, with the date it was checked.
What it does
- Canvas
- The app renders maps as SVG and supports panning, zooming, node positioning, and layout reflow.checked 12 Oct 2026
- Cross-tab sync
- Browser tabs opened on the same local document URL stay in sync through BroadcastChannel.checked 12 Oct 2026
- Data-loss limitation
- Clearing browser data, including IndexedDB, deletes locally stored documents.checked 12 Oct 2026
- Desktop signing
- The desktop app's release can be unsigned if signing secrets are not configured, in which case users must right-click and Open to bypass Gatekeeper.checked 11 Oct 2026
- Editing
- Keyboard shortcuts create child and sibling nodes, edit text, delete nodes, collapse branches, and reorder or reparent nodes.checked 12 Oct 2026
- Export
- The README lists a keyboard shortcut to export mind maps as SVG.checked 11 Oct 2026
- Export formats
- SVG,.limnchecked 20 Sep 2026
- File format
- A .limn file is a ZIP bundle containing data.json and an assets directory for images.checked 12 Oct 2026
- Formatting and links
- Node text supports bold, italic, code, strikethrough, and clickable Markdown links.checked 12 Oct 2026
- Keyboard navigation
- Arrow keys or hjkl navigate between nodes, and semicolon opens EasyMotion labels for jumping to a visible node.checked 12 Oct 2026
- License
- The repository provides the software under the MIT License.checked 12 Oct 2026
- Local storage
- Browser documents are stored in IndexedDB, and the README states that nothing is sent to a server.checked 12 Oct 2026
- Obsidian installation
- The README says users can install Limn from Obsidian's Community Plugins directory or use BRAT for the latest unreleased build.checked 11 Oct 2026
- Obsidian integration
- The Obsidian plugin uses Obsidian's vault API for persistence and stores legacy image assets in a sidecar .limn-assets folder.checked 12 Oct 2026
- Obsidian plugin
- Limn is also available as an Obsidian community plugin that opens .limn files as interactive mind map views.checked 12 Oct 2026
- Offline mode
- Yeschecked 20 Sep 2026
- Persistence
- The web app stores data locally in browser IndexedDB, autosaves, syncs matching documents across tabs, and sends nothing to a server, according to the README.checked 11 Oct 2026
- Product
- Limn is a keyboard-first, offline-capable mind-mapping progressive web app.checked 12 Oct 2026
- Saving and export
- Users can save and open .limn files and export maps as SVG.checked 12 Oct 2026
- Support
- The repository provides a contributing guide and GitHub Issues for project feedback; it does not state a support service or response commitment.checked 11 Oct 2026
Where it runs
- Desktop platform
- The repository documents a native macOS app built with Swift and SwiftUI that wraps a WKWebView and is distributed as a DMG through GitHub Releases.checked 11 Oct 2026
- macOS app
- Limn has a native macOS app built with Swift and SwiftUI around WKWebView, distributed as a DMG through GitHub Releases.checked 12 Oct 2026
- macOS distribution
- The desktop documentation says signed distribution requires an Apple Developer account and that an unsigned DMG can still be downloaded.checked 12 Oct 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
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