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Butterfly

Powerful, minimalistic, cross-platform, opensource note-taking app
New in version 2.2.2
* Fix loading screen showing after error
* Fix packs dialog file system operations
* Downgrade pdfjs on web

This is a stable release, it includes all the changes from the 2.2.2 nightly releases.
Read more here: https://linwood.dev/butterfly/2.2.2
Butterfly is a note taking app where your ideas come first. You can paint, add texts, and export them easily on every device. This app works on android, windows, linux, and in the web.

* Simple and intuitive Every tool is in the right place. Open the app and start drawing. Change your tools by clicking on it.
* Customizable: Change everything to your needs. Choose your custom color, create a palette, and add your pages to the paper. The paper has an infinite size, perfect for your ideas and notes.
* Support your favorite formats: Import and export are supported for images, pdf and svg. Register the app to open these files to edit them.
* Works on every device: The app is available for android, windows, linux, and in the web. You can use it on your phone, tablet, or computer.
* Choose where your data is stored: You can choose to store your data locally or in your favorite cloud (webdav). You can also export your data to a file and import it again.
* Available in many languages: The app is available in many languages. Help us to translate this app to your language.
* FOSS: The app is open source and free. You can contribute to the project and help to make it better.
* Use it offline: You can use the app offline. You can draw, paint, and export your notes without an internet connection.
* Use your favorite stylus: The app supports stylus and touch devices. You can draw and paint with your favorite stylus.
* Write text: You can write text on your notes. You can change the font, size, and color.
* Take photos: You can take photos and add them to your notes. You can also import photos from your gallery.
* Editable: You can change the size, color, and position of every element after you added it to your note.
* Add shapes: You can add shapes to your notes. You can choose between a rectangle, circle and line.
* Structure your notes: Add areas and waypoints to your notes to keep them organized.
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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 2.2.2 (122) suggested Added on Nov 12, 2024

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • reorder running apps
      Allows the app to move tasks to the foreground and background. The app may do this without your input.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (9.0)
    • dev.linwood.butterfly.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 39 MiB PGP Signature | Build Log

  • Version 2.2.1 (119) - Added on Oct 25, 2024

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • reorder running apps
      Allows the app to move tasks to the foreground and background. The app may do this without your input.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (9.0)
    • dev.linwood.butterfly.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 39 MiB PGP Signature | Build Log

  • Version 2.2.0 (116) - Added on Oct 03, 2024

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (9.0)
    • record audio
      This app can record audio using the microphone while the app is in use.
    • reorder running apps
      Allows the app to move tasks to the foreground and background. The app may do this without your input.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (9.0)
    • dev.linwood.butterfly.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 39 MiB PGP Signature | Build Log