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.