Butterfly

dev.linwood.butterfly
by Zapstore _@zapstore.dev

Republished from GitHub / F-Droid by the Zapstore main account.

Butterfly is an open-source app for people who think better with space around their ideas. Instead of writing everything from top to bottom on a fixed page, you get an endless workspace where you can place notes, sketches, diagrams, images, and documents wherever they make sense. Use it for class notes, meeting notes, research, math, worksheets, planning, whiteboarding, storyboards, product sketches, or any project that starts messy and needs room to grow. Write by hand with a stylus, touch, or mouse, type text and Markdown, add shapes and lines, place images and photos, import PDFs, SVGs, and image files, then export your work as PDF, SVG, images, or portable Butterfly files. Butterfly tries to stay out of your way while you work. Recent files, quick-start templates, search, folders, imports, page navigation, and tool settings are close when you need them, but the document stays at the center. You can begin with a plain page, ruled paper, a grid, dotted paper, music paper, or your own template. As your document grows, Butterfly gives you ways to keep it understandable. Split work into pages and page folders, use layers, mark important places with areas and waypoints, save reusable parts in packs, and keep palettes and text styles ready for the next document. Almost everything you add remains editable, so you can move, resize, recolor, reorder, and refine your work later instead of starting over. Your files stay under your control. Work offline, store documents on your device, choose a different data directory, or connect WebDAV and Nextcloud if you want your own sync setup. There is no required account, no required subscription, and no required proprietary cloud. Butterfly is free, community translated, available on phones, tablets, desktops, and the web, and developed in public under the AGPL-3.0 license.

First release: Oct 21, 2021, 15 total releases.

Most recent release: Oct 28, 2026.

Repo

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Releases

  • Oct 28, 2026 2.6.2
    Changes since 2.6.2-rc.0: * Fix selecting perfectly horizontal and vertical lines ([#1323](https://github.com/LinwoodDev/Butterfly/issues/1323)) This is a stable release, it includes all the changes from the 2.6.2 nightly releases. Read more here: https://linwood.dev/butterfly/2.6.2
  • Oct 15, 2026 2.6.1
    Changes since 2.6.1-rc.1: * Add camera control visibility settings with fading after five seconds of inactivity and temporary visibility by default on mobile * Migrate popover menus to Material UI * Fix missing default Markdown formatting when importing notes ([#1300](https://github.com/LinwoodDev/Butterfly/issues/1300)) This is a stable release, it includes all the changes from the 2.6.1 nightly releases. Read more here: https://linwood.dev/butterfly/2.6.1
  • Sep 28, 2026 2.6.0
    Changes since 2.6.0-rc.3: * Fix fractional-pixel mismatch in the viewport cache ([#1279](https://github.com/LinwoodDev/Butterfly/issues/1279)) * Fix editor state loading and saving across WebDAV connections ([#1281](https://github.com/LinwoodDev/Butterfly/issues/1281)) * Automatically sync pinned files while the app is open and after reconnecting ([#1281](https://github.com/LinwoodDev/Butterfly/issues/1281)) This is a stable release, it includes all the changes from the 2.6.0 nightly releases. Read more here: https://linwood.dev/butterfly/2.6
  • Aug 10, 2026 2.5.5
    This is a hotfix update, cherry-picking important fixes from the latest 2.6.0 betas. Cherry picks: * Improve context menu background * Fix pasted strokes losing their relative positions ([#1202](https://github.com/LinwoodDev/Butterfly/issues/1202)) * Fix core pack palettes not being editable ([#1199](https://github.com/LinwoodDev/Butterfly/issues/1199)) * Fix incompatible document loading * Fix file grid action menu overlapping the sync indicator in right-to-left layouts * Fix file move dialog indentation in right-to-left layouts * Fix negative brush sizes ([#1201](https://github.com/LinwoodDev/Butterfly/issues/1201))
    More…
    * Fix crashes when exporting all files if the library is large * Fix reorder changes applied only visible after moving canvas ([#1211](https://github.com/LinwoodDev/Butterfly/issues/1211)) * Fix transformed SVG elements disposing shared picture data ([#1217](https://github.com/LinwoodDev/Butterfly/issues/1217)) * Fix layout issues in reorderable list views Read more here: https://linwood.dev/butterfly/2.5.5
  • Jul 20, 2026 2.5.4
    This is a hotfix update, cherry-picking important fixes from the latest 2.6.0 beta and nightly releases. Cherry picks: * Prevent crashes when Android SAF handles large folders and files * Fix text labels disappearing while editing * Fix polygons disappearing while editing * Fix renamed files appearing twice in Recent files * Fix layers and pages being reordered to the wrong position * Improve WebDAV compatibility and select the correct filesystem with SAF enabled * Fix the spacer tool for circles, shapes, polygons, and other elements
    More…
    * Fix repeated saves and mark imported documents as unsaved * Fix locked zoom controls * Respect hidden file extensions in Recent files * Persist the thumbnail setting * Correct the texture height label * Fix file previews resetting the language to the system locale * Avoid repeated WebDAV waits while offline Read more here: https://linwood.dev/butterfly/2.5.4
  • May 23, 2026 2.5.2
    This is a stable release, it includes all the changes from the 2.5.2 nightly releases. Read more here: https://linwood.dev/butterfly/2.5.2
  • Apr 26, 2026 2.5.1
    Changes since 2.5.1-rc.2: * Fixed an issue where the initial area of a page wouldn't open when another page was deleted This is a stable release, it includes all the changes from the 2.5.1 nightly releases. Read more here: https://linwood.dev/butterfly/2.5.1
  • Apr 5, 2026 2.5.0
    Changes since 2.5.0-rc.2: * Improve performance of pen drawing * Fix edited polygons showing duplicate old and new shapes until moved * Fix polygon tool has black color when using dark theme This is a stable release, it includes all the changes from the 2.5.0 nightly releases. Read more here: https://linwood.dev/butterfly/2.5
  • Feb 18, 2026 2.4.4
    This is a hotfix update, cherry picking some important fixes from the last 2.5.0-beta.1 nightly release. Cherry picks: * Improve performance of pen hit testing * Remove autofocus from add dialog search to prevent virtual keyboard on mobile * Fix sync button not visible on small screens * Fix non-zero exit code when app closes * Fix Android intent handling causing empty documents on resume and not updating on new intent * Fix importing assets does not use default template * Fix importing does not use selected storage
    More…
    * Fix importing archives opening empty documents * Fix spread to pages breaks pdf import * Fix path eraser and eraser not correctly working if full selection is enabled * Fix triangle shape not exported on svg export * Remove border for pdf pages Read more here: https://linwood.dev/butterfly/2.4.4
  • Jan 22, 2026 v2.4.3 Release page →
    This is a hotfix update, cherry picking some important fixes from the last 2.5.0-beta.0 nightly release. * Fix toolbar position icon direction issue on rtl layouts * Fix foreground will be reset if temporary tool is added Cherry picks: * Add export all packs to dialog * Improve long name and tooltip in recent files on other storages * Fix text disappear if closing keyboard ([#1014](https://github.com/LinwoodDev/Butterfly/issues/1014)) * Fix initialize check on local storage ([#1022](https://github.com/LinwoodDev/Butterfly/issues/1022))
    More…
    * Fix color toolbar does not save palette changes Read more here: https://linwood.dev/butterfly/2.4.3
  • Dec 24, 2025 v2.4.2 Release page →
    No changes compared to version 2.4.2-rc.4. This is a stable release, it includes all the changes from the 2.4.2 nightly releases. Read more here: https://linwood.dev/butterfly/2.4.2
  • Nov 13, 2025 v2.4.1 Release page →
    No changes compared to version 2.4.1. This is a stable release, it includes all the changes from the 2.4.1 nightly releases. Read more here: https://linwood.dev/butterfly/2.4.1
  • Sep 22, 2025 v2.4.0 Release page →
    Changes since 2.4.0-rc.4: * Fix updated assets cannot be removed This is a stable release, it includes all the changes from the 2.4.0 nightly releases. Read more here: https://linwood.dev/butterfly/2.4
  • Oct 21, 2021 stable Release page →
    Find all stable releases here
  • Oct 21, 2021 2.4.3
    Find all stable releases here