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On the recordRead 11 Oct 202618 facts
Linwood Butterfly
Plans and prices
Butterfly
Free
Free and open source under GNU AGPL-3.0
Read 11 Oct 2026 · butterfly.linwood.dev
On the record
- Browser requirements
- The web app stores data in the browser and works offline, but its documentation says Firefox and Safari lack the required WebAssembly features.butterfly.linwood.dev · read 11 Oct 2026
- Canvas tools
- It supports stylus, touch, and mouse input, with adjustable stroke width, color, smoothing, and texture.butterfly.linwood.dev · read 11 Oct 2026
- Collaboration
- Real-time collaboration is an experimental feature that supports Swamp or a WebSocket server; the Swamp server acts as a proxy and cannot read end-to-end encrypted data.butterfly.linwood.dev · read 11 Oct 2026
- Content
- Documents can combine notes with imported photos, PDFs, and SVGs, and content remains editable after placement.butterfly.linwood.dev · read 11 Oct 2026
- Data handling
- The maker says documents remain on the device unless users choose another storage location, and its app privacy policy says requested personal information is retained on the device and not collected by the maker.butterfly.linwood.dev · read 11 Oct 2026
- Export
- The documentation lists export formats including Butterfly files, images, SVG, PDF, and Xournal++ files.butterfly.linwood.dev · read 11 Oct 2026
- File formats
- The maker documents Butterfly Note (.bfly) and Butterfly Raw Note (.tbfly) formats.butterfly.linwood.dev · read 11 Oct 2026
- Integrations
- WebDAV,Nextcloudbutterfly.linwood.dev · read 20 Sep 2026
- Note sharing
- Yesbutterfly.linwood.dev · read 20 Sep 2026
- Offline access
- Yesbutterfly.linwood.dev · read 20 Sep 2026
- Purpose
- Butterfly is a note-taking app for handwriting, sketching, annotating, and organizing work on an infinite canvas.butterfly.linwood.dev · read 11 Oct 2026
- Real-time collaboration
- Yesbutterfly.linwood.dev · read 20 Sep 2026
- Reusable assets
- Users can create templates and packs containing reusable content, stamps, palettes, and styles.butterfly.linwood.dev · read 11 Oct 2026
- Self-hosting
- The maker provides instructions for building and hosting Butterfly’s web app, including a Docker image.butterfly.linwood.dev · read 11 Oct 2026
- Storage integrations
- Notes can be stored locally or in WebDAV cloud storage, with the maker specifically mentioning Nextcloud for syncing and backup.butterfly.linwood.dev · read 11 Oct 2026
- Support
- The downloads page links to a support page and a community FAQ.butterfly.linwood.dev · read 11 Oct 2026
