A tool for testing and inspecting webhooks.
- Free • Open Source
- Linux
- Flathub
- Flatpak



Browse 793 Flatpak Packages on AlternativeTo.
A tool for testing and inspecting webhooks.



Tarug is a modern, yet another Postgres SQL client, build with GTK 4 and Libadwaita.

Automated photo stiching tool. Lets you import a directory of images and then export the autodetected panoramas.


Space Launch is a native unofficial SpaceLaunchNow.me client for GNOME, written in Vala and GTK4. It allows to keep track of upcoming rocket launches.



Karere is a native GTK4 application that provides a seamless WhatsApp web experience integrated with your Linux desktop. Built with modern technologies like Libadwaita, Blueprint UI, and WebKitGTK 6.0, it offers a clean, responsive interface that follows GNOME design principles.


A Jellyfin client for Linux focused on music.

Schemes allow you to create syntax highlighting style-schemes for GtkSourceView-based applications such as Builder or Text Editor.

Constrict compresses your videos to your chosen file size — useful for uploading to services with specific file size limits. No more relying on online services for video compression, or the manual trial-and-error of re-encoding at various bitrates yourself.

Scriptorium is an all-in-one book editing tool for GNOME.

Hypatia is a research tool for the Linux desktop. It's designed to provide at-a-glance information about the topics you're reading, or about things you're curious about. It lets you find definitions, explanations, and answers related to the text on your display...

Nucleus gives you the ability to view the periodic table of the elements, as well as a variety of properties for each element, some with a visual representation. There is also search functionality which gives you the elements in a list for efficient viewing.

Step into the enchanting world of FaFa Runner: Dawn Legends, where an epic adventure awaits! Developed using Flutter and the Flame engine, this RPG delivers a seamless gaming experience with stunning visual effects.

Lexi is a self-driven dictionary app for those who want to make their language learning (or creating) structured and easy.

Image viewer for 360° equirectangular photospheres and panoramas.

Browse illustrations and read mangas or novels by talented artists and writers from Pixiv.

A simple time-tracker program for GNOME. Instead of using online-first options like Toggl and Clockify, use a lightning-fast local-first option that is still able to sync with multiple computers via cloud or network storage.



A fork of xou816's Spot. Listen to music on Spotify. Requires a premium account.

A music player written in the libcosmic toolkit. Scans a directory for audio files, loads metadata, and displays and organizes it across a number of pages. View your music by individual tracks, albums, or artists.

DisCorkie is a multi-instance Discourse client for seamless forum management. Switch between multiple communities effortlessly. Discover new forums based on interests or language preferences. Enjoy a sleek, intuitive interface for easy navigation.

Select location from map and show weather forecast. Map is using OSM map tiles. Based on mapsforge and java-gtk. Forecast data is from "Meteorologisk institutt Norge".

SPRAWL 96 is a celebration of our retro shooter SPRAWL, released for the first anniversary of SPRAWL's release. It’s also our way of giving thanks and giving back to the communities which made SPRAWL possible.

Vup Chat is a messaging client build on top of the AT Protocol. It both provides dedicated messaging clients for cross-platform usage. By utilizing the S5 network, it allows users to have more advanced features like E2EE and media embeds (coming soon).
