



Browse 860 Flatpak Packages on AlternativeTo.






Splash is a free video mapping software, published under the GPLv3 licence. Splash takes care of automatically calibrating the videoprojectors (intrinsic and extrinsic parameters, blending and color), and feeding them with the input video sources.
LiberDrop is a convenient and efficient service designed to simplify the process of transferring files between different devices. Whether you're looking to send documents, photos, or entire folders, LiberDrop makes it easy to securely transfer your files with just a few...




A utility app to easily install the GNOME for Firefox Theme and automatically update it in the background. This theme keeps Firefox fashionable within the GNOME design ecosystem, and provides many helpful features to customize the interface to make browsing even more pleasant:




A performant open-source slicer for masked stereolithography (resin) printers. Compatible with printers that support the following file formats: Chitu (.ctb), Elegoo (.goo), NanoDLP (.nanodlp), and Vector (.svg).









Koko is an image viewer designed for desktop and mobile touch devices. It is part of the Plasma Mobile app collection.




Space is an easy-to-use Spaced Repetition System (SRS) app. Create and learn flashcards wherever you are in the most effective way possible.



A simple, opinionated plain text editor designed for writers, journalists and researchers. Jottr is not meant to be a full-featured text editor, but rather a simple and easy to use tool for writing. It's not aimed at developers.


Fanurio provides freelancers with the right tools to track time, manage projects and invoice their clients so they can get paid for their work.

WireframeSketcher is a software tool that helps product managers, designers and developers quickly create wireframes, mockups and prototypes for desktop, web and mobile applications. It’s standalone software and a plug-in for any Eclipse IDE.




Scripture App Builder is your go-to tool for creating customized mobile apps that bring Scripture text and audio together in a seamless experience. Designed for both Android and iOS platforms, this powerful tool lets you specify everything from the Scripture files to the fonts...



Gai is a beginner-friendly AI toolkit with no ads, no registration, and no other permissions required, except for Internet.



ClusterCut is a seamless clipboard synchronization tool that works across Linux, macOS and Windows. It allows you to copy text on one device and paste it on another instantly, keeping your workflow uninterrupted.




EcoTubeHQ Video Player offers high quality video playback for many DRM-free streaming services at minimal bitrates. Hardware acceleration is utilised where possible during video playback to optimize quality and minimize CPU usage.

Aerion is a modern, lightweight email client inspired by Geary, focused on resource efficiency and a clean user experience.

SpeedyNote is a fast, open-source note-taking application designed for stylus users who need iPad-quality annotation on budget hardware. Built with native C++ and Qt, it delivers 360Hz stylus input on hardware as modest as an Intel Celeron N4000 at 1.



A Prism Launcher fork that removes offline account restrictions, adds custom auth server support, and provides more customization.




Piper is a graphical user interface to configure gaming mice. Configuration options include changing the resolution (DPI) of the mouse, adding and removing profiles, setting LED colors and changing button behaviors.



