Platforms
- Windows
- Linux
- Flathub
- Flatpak
United States




Browse 952 Flatpak Packages on AlternativeTo.




GemRB (Game Engine Made with preRendered Background) is a portable open-source reimplementation of the Infinity Engine that underpinned Baldur's Gate, Icewind Dale and Planescape: Torment. It sports a cleaner design, greater extensibility and several innovations.




Imagot is an image viewer which aims to provide an open source alternative to Microsoft Photos or similar apps (and be multiplatform). It supports common image file types such as PNG, JPEG, SVG, etc.




Bootqt is a simple app for making a bootable USB drive from an ISO or IMG file. It is written in Python and uses Qt technologies to provide an easy to use graphical user interface.



Built by one of the most respected teams in the Bitcoin industry, Blockstream Green is supported across multiple platforms and is designed for Bitcoin beginners and power users alike.



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.




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



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



word-sys's PDF Editor is a simple and user-friendly tool developed for Pardus, Debian and other Linux distributions, focused on editing text, image and object content in PDF files. Developed from scratch in the spirit of #MilliTeknolojiHamlesi and TEKNOFEST 2025 to meet the...




KleverNotes is a note-taking and management application for your mobile and desktop devices. It uses Markdown and allows you to preview your content.




If you're tired of endlessly looking online for the right tool, or to find again that website of which you don't recall the name to do a quick conversion, this is the right app for you.




Frigoligo is a wallabag client crafted using Flutter. Its core philosophy is to prioritize pragmatism and adhere to best practices when it makes sense.





Free, open-source folder player for large local music collections, built in native C++/Qt for Linux, macOS, and Windows.




Vassal is a game engine for building and playing online adaptations of board games and card games. Play live on the Internet or by email. Vassal runs on all platforms, and is free, open-source software.




Linux-native game mod manager with a Mod Organizer-style interface, Nexus and Thunderstore browsing, LOOT sorting, and VFS, link, or root deployment.

The Eufonia Client is a Minecraft launcher that allows you to join our events, public and private servers, as well as keep our mods up to date, all in one easy-to-use package.

Dungeon Crawl Stone Soup is an open-source, single-player, role-playing roguelike game of exploration and treasure-hunting in dungeons filled with dangerous and unfriendly monsters in a quest to rescue the mystifyingly fabulous Orb of Zot.



SONE is a native, highly customizable Linux desktop client for TIDAL. It pairs a sleek, modern UI with bit-perfect, lossless Hi-Res audio playback.




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.
simple64 is an emulator based on a heavily modified version of mupen64plus-core, and ParaLLEl RSP/RDP. It includes a GUI, netplay, automatic updater, controller configuration, and much more!


The beginner-friendly live trigger that feels like magic. Instant clips. Beautiful overlays. Zero stress. Perfect for school events, small concerts, sports, and anywhere you want to look pro.



