
      Webots provides a complete development environment to model, program, and simulate robots, vehicles, and mechanical systems. It is a beginner friendly software that is meant to introduce newcomers to the world of robotics.
    
      
      Webots was originally designed at EPFL in 1996 as a research tool for mobile robotics. In 1998, it began being developed and commercialized by Cyberbotics. In December 2018, Webots was open sourced. Since then, Cyberbotics continues to develop Webots thanks to paid customer support, training, and consulting for industry and academic research projects.
    
    

Webots

Icon Explorer allows artists and developers to preview and pick icons. Icon Explorer attempts to render the icons exactly as they would look drawn in the application. It allows to filter based on category and name. Icon Explorer is not a general-purpose tool, but geared towards artists' and developers' use-cases.
        Icon Explorer also provides a plugin for Kate and KDevelop to be used as icon picker.
    
    

Icon Explorer

Icon Previewer for Artists and Developers


      A new app store for GNOME with a focus on discovering and installing
      applications and add-ons from Flatpak remotes, particularly
      Flathub
    
      
      It emphasizes supporting the
      developers who make the Linux desktop possible. Bazaar features a
      "curated" tab that can be configured by distributors to allow for a
      more locallized experience.
    
    

Bazaar


            Track sportive activities while displaying them on cockpit and map view.
            Store tracks in standard GPX format for sharing with other application.
        
      
            Display offline as well as tile based maps. Tile based overlays for displaying cycle and hiking routes (Waymarked Trails)
        
      
            Integration of Offline POI and Nominatim map search. Display Offline POIs from Mapsforge compatible Databases.
        
      
            Simple GPX editor for quick route planning.
            GPS independent altitude information and hill shading.
        
    

AAT Activity Tracker


      DuckRun is a little game about a duck who loves to hop and wants to collect some coins.
    
      
      Just buy a hat or some shoes in the shop, but first you have to collect coins.
    
    

DuckRun


        The Mana client is used for playing The Mana World and similar online games
        based on either tmwAthena or Manaserv.
    
      
        The Mana World (TMW) is a serious effort to create an innovative free and
        open source MMORPG. TMW uses 2D graphics and aims to create a large and diverse
        interactive world.
    
    

The Mana Client


            A practical tool (for students and engineers) to foresee the result of calculus exercises. Calculation and visualization numerical methods for nonlinear equation, ODE, integration, linear system, nonlinear system, polynomial approximation, .....
        
      
            Features:
        
      
        -Easy, intuitive GUI;
        -Compute roots of nonlinear equations (Bracketing methods (Bisection, Regula-Falsi) and Open Methods (Newton-Raphson,fixed point and secant));
        -Solving systems of linear equations (Direct methods (Gauss) and Iterative methods (Jacobi, Gauss-Seidel));
        -Solving systems of nonlinear equations (fixed point and Newton-Raphson);
        -Polynomial approximation calculator (Lagrange, Newton's Interpolating Polynomials);
        -Calculate numerical integral (Trapezoidal, and Simpson's 1/3 and Simpson's 3/8 rules);
        -Solve first order ordinary differential equation (Euler, Runge-Kutta and Kutta-Merson);
        -Plot the original expression and result within a given range;
        -English GUI.
      
    

Basic Numerical Methods

Didactic application to aid students in learning Numerical Methods;

99Managers Futsal Edition is an open-source sports management game, where you control every aspect of a Futsal team, from tactics to finances and much more.
      Work in Progress
      The gameplay, user interface, and features will change before the final release.
      Main Responsibilities
      
        Choose tactics and lineup for every game
        Guide and change your players during the matches
        Win the league and cups on a national and international level
        Stay up to date by reading news and emails
      
      Special Features
      
        Open Source under AGPL-3.0-or-later license
        Fantasy teams and players that can be shared with the generation seed
        Light/dark themes
      
      More About 99Managers
      99Managers will be a series of sports management games for different team sports. It is open source and also respects your privacy, because it has no trackers or similar privacy-invading software integrated.
      Being open source means you can see the source code of the game and see how it is made. Besides that, you are also able to suggest bug fixes, new features or create your own customized version of the game.
      Made with Godot Engine 4 and much love.
    

99Managers Futsal Edition

An open-source Futsal team-management game.


      Serial Loops is a full-fledged editor for the Nintendo DS game Suzumiya Haruhi no Chokuretsu (The Series of Haruhi Suzumiya).
      In its current state, it allows you to edit nearly everything about the game, and more is planned for the future. Please check
      our documentation on our website for more information on how to use it!
    
      
        Fully edit the game's scripts, completely rewriting your own Haruhi visual novel with a powerful preview feature!
        Completely change the game's scenario, moving events around in the order you'd like them to occur!
        Replace the game's graphics, including backgrounds, CGs, character sprites, chibis, and more!
        Edit the game's soundtrack, swapping out background music and voice lines! (SFX coming in a future release!)
        Edit character nameplates, topics, UI text, tutorial mappings, and dialogue colors!
        Apply pre-written assembly hacks for even greater control of the game!
        Partial editing of group selections, puzzles, and chess puzzles, and viewable maps!
        A full save editor for editing save games as well!
      
    

Serial Loops

ACBR is a free and open source comic book reader and converter.
      Main Features:
      
        Compatible file formats: CBZ, CBR, CB7, PDF, EPUB, JPG, PNG, WebP and AVIF
        Single and double page modes, page rotation, integrated audio player, metadata editor, RSS reader, partial gamepad support...
        UI available in: English, Spanish, Russian, German, Arabic and Filipino
      
      Included Tools:
      
        Convert, resize or extract comic book files
        Convert and resize image files
        Extract color palettes from images
        Create comic book page and thumbnails templates
        Search for and open public domain online books and audiobooks
        Search for and open RSS feeds from podcasts and websites
        Search for and open radio station streams
        ...
      
    

ACBR


Selene is a comprehensive peer-to-peer chat and file sharing application built on the Tor network.
It enables secure, private communication and seamless file transfers between users, leveraging the anonymity and resilience of Tor.

      
Key Features:

      
        True peer-to-peer messaging: messages travel exclusively over the Tor network, never leaving Tor at any point
        End-to-end RSA encryption for messages, with selectable key lengths: 2048, 4096, or 8192 bits
        File sharing via ephemeral Tor hidden service HTTP servers: recipients access files directly using the provided onion address in Tor Browser or any Tor-enabled private window
        Request new Tor circuits and onion addresses for improved connectivity and privacy
        Configurable Tor ports for advanced users
        Contact export/import and rich messaging features including emojis and file transfers
        Advanced logging system and chat history management
        Password protection at startup for enhanced privacy
        Cross-platform: built with Qt Framework
      
      
Selene is designed for privacy advocates and secure communication enthusiasts, offering a robust suite of features for confidential, flexible, and user-friendly Tor-based messaging and file sharing.

    

Selene

Tor-based p2p chat and file sharing manager


        This game is an early prototype.
      
      
	    Spelloff is a multiplayer first-person shooter game. It plays like traditional arena-shooters such as Quake. It features fast-paced 1 vs. 1 duels and configurable free and team deathmatch modes.
    
    

Spelloff

The orb ponderer's arena first-person shooter

Story-driven, collaborative game where players don’t just explore a world—they co-create it. In Threadbare, players rebuild a world unraveling at the seams by recovering knowledge, crafting stories, and designing characters, quests, and cultures drawn from their own lives.
    

Threadbare


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

Piki

 Manage your Godot projects and versions in one place. Features include:
            - Editor version bindings to projects that transfer across source control
            - Download versions of forks of Godot as well
            - Rich CLI for automation
            - Qt UI, good for KDE Plasma
        
    

godl

 Note: Only supports russian translations 
      There are three modes: Overview, Practice, and Exam. While the overview straight up shows the translation, other modes provide it after pressing a corresponding button. In the end, all mistakes are shown to provide you with a feature to reflect on your answers. To gauge the progress of learning each word, they have points assigned to them. When you are ready, complete the exam—a more strict area which punishes mistakes more. The exam's goal is to make as few mistakes as possible, but in order to not be utterly strict, it allows one mistake to pass.
      The features of an app are as follows:
      
        One part of speech per group
        Groups have subgroups
        10 words per subgroup
        Self-evaluation approach
        No multiple choice guessing
        Context-sensitive translations
        Supported languages: Russian
      
    

Sharks Empire: English


      Fedinspect is an application for analysing Fediverse servers and user accounts.
      It provides detailed information about server configurations, capabilities, and
      user profiles using standard protocols like NodeInfo, WebFinger, and ActivityPub.
    
      Features:
      
        NodeInfo protocol checks and schema validation
        Mastodon API v1 and v2 support
        WebFinger user lookup of ActivityPub actors
        HTTP debug information
      
    

Fedinspect

Sessions is a simple visual timer application designed specifically for the pomodoro
            technique, helping you stay productive by breaking work into focused sessions with
            regular breaks.
      It enables you to:
      
        Start focused work sessions with customizable timer durations
        Track your progress with a clean, distraction-free interface
        Take regular breaks to maintain productivity
      
    

Sessions


			A simple, beautiful, and minimalist Pomodoro timer for your desktop. Designed to help
			you stay focused and productive, it provides an elegant and straightforward way to manage your work and break
			intervals.
		
    

Pomolin


      Sudoku is a puzzle app that lets you solve classic number-placement challenges. It features a clean, distraction-free design with a simple interface to keep you focused and engaged.
    
      Features:
      
        Modern GTK4 and libadwaita interface
        Keyboard shortcuts for quick access to all functions
        Save and load games seamlessly to continue your progress anytime
        Highlight active row and cell to improve focus and ease of play
        Conflict highlighting to help identify mistakes, ideal for beginners
        Suitable for all skill levels, from beginners to experts
      
    

Sudoku


      LinCity-NG is a city simulation game where you are required to build and maintain a city.
      You can win the game either by building a sustainable economy or by evacuating all citizens with spaceships.
    
      
      Bring up in-game help with [F1] for details on how to play.
    
    

LinCity-NG


      Roll some of the most commonly used dice in Dunegons &amp; Dragons or enter your own custom dice roll.
    
    

DND Dice Roller

A DnD dice rolling application for the COSMIC™ desktop

KomoDo is a todo manager that uses todo.txt specification. It parses any compliant todo.txt files and turns them into easy to use list of tasks.
      KomoDo has built-in help for the todo.txt specification, so it's suitable for newcomers too!
      Features
      
        Open and create new todo.txt files
        Add, delete and edit tasks
        Filter and search tasks
      
    

KomoDo

Stay informed your way with FeedFlow, a minimalistic RSS reader that puts you in control of your content timeline.
      Sync across all your devices and enjoy a clean, distraction-free reading experience.
      Key Features:
      
        Minimalist Design: Focus on what matters with a clutter-free interface
        FreshRSS Integration: Connect to your FreshRSS server for advanced feed management
        Flexible Reading Options: Choose between web view, reader mode, or your preferred browser
        Privacy-Focused: Select your favorite privacy-focused browser for a separate reading experience
        Easy Migration: Import and export your RSS feeds via OPML files
      
      What Sets FeedFlow Apart:
      
        Clean, intuitive interface that lets you focus on content
        Multiple sync options to fit your workflow (Beta)
        Customizable reading experience with reader mode
        Fast and lightweight
        Regular updates and active development
      
      Perfect for:
      
        News enthusiasts who want control over their information diet
        Privacy-conscious readers
        Content creators tracking multiple sources
        Anyone looking to declutter their digital reading experience
      
      Join thousands of readers who've chosen FeedFlow for a better way to stay informed.
    

FeedFlow


      A speed cubing timer, built with libcosmic and designed for simple but effective solve timing.
    
      
        Generate WCA compliant scrambles
        Time your solves with a StackMat style timer
        Keep track of your times and averages
      
    

Tesseract

Word2IPA lets you look up individual words or paste entire phrases and see how they are pronounced in the IPA format. It's a perfect tool for language learners, linguists, or speech technology developers.
    

Word2IPA

Test, find, and exploit vulnerabilities faster with a complete suite of security testing tools.
      NOTE: This wrapper is not verified by, affiliated with, or supported by PortSwigger Inc.
    

Burp Suite Community

The most widely used web application security testing software


      NetPeek is a simple network scanner that helps you
      discover active devices on your local network.
    
    

NetPeek

You are the leader of your Roman Empire, but it has only one province. Expand your empire to get more might. Get farmers, denar and soldiers to expand your empire. You need to invade 43 other provinces to finish the game. You gain rewards by learning Latin vocabs. If you want to reset your savegame, simply click RESET in Settings.
    

Latin Defense

Mtoc is a visually-rich music player and library browser that emphasizes a smooth, continuous experience with album artwork at the forefront.
      
        Animated, visual browsing made for music fans who enjoy flipping through albums
        Library browsing with smart organization and responsive search
        Wide mode places full-size album art in the right pane; compact mode optimizes density for smaller widths
        Advanced queue management with library context menus and drag-and-drop reordering
        Save playlists from your queue, manage M3U files, and use the intuitive playlist editor
        Light and dark modes with tinted blurred backgrounds
        Mini player and desktop integration with full MPRIS 2 support
        Gapless playback and ReplayGain support
      
    

Mtoc

Flathub is the place to get and distribute apps for Linux. It is powered by Flatpak which allows Flathub apps to run on almost any Linux distribution.

Please use the flatpak manager supplied by your distribution to install add-ons.

The source code is public and can be independently audited, which makes the app more likely to be safe

Official badges to promote your app on Flathub

Can access the contents of the screen or other windows

Upload your app to Flathub by uploading your Flatpak manifest and supporting files to a repository in our GitHub organization. Flathub's buildbot will build the app and publish it to Flathub.

Consulting services for submitting apps to Flathub.

Build your app in your own continuous integration environment and upload it directly to Flathub.

Install Flatpak

<text>Flatpak can be installed from the community repository. Run the following in a terminal:</text> <code></code>

Install the Software Flatpak plugin

<text>You can install the Flatpak plugin for either the GNOME Software (since v3.13) or KDE Discover (since v3.11), making it possible to install apps without needing the command line. To install, for GNOME Software run:</text> <code></code> <text>For KDE Discover run:</text> <codeDiscover></codeDiscover>

Add the Flathub repository

<text>Flathub is the best place to get Flatpak apps. To enable it, download and install the <filelink>Flathub repository file</filelink> or run the following in a terminal:</text> <code></code>

Restart

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text>

<text>To install Flatpak on operating systems of the Alt family, open the Terminal app and run:</text> <code></code>

<text>Flathub is a great place to get Flatpak apps. To enable it on your Alt system, run:</text> <code></code>

<text>Restart your device to complete the Flatpak installation. Now you can <link>install apps</link>!</text>

<text>To install Flatpak on Arch, open the Terminal app and run:</text> <code></code>

Enable Linux support

<text>Navigate to <settingslink>chrome://os-settings</settingslink>, and scroll down to Developers and turn on Linux development environment. ChromeOS will take some time downloading and installing Linux.</text>

Start a Linux terminal

<text>Press the Search/Launcher key, type "Terminal", and launch the Terminal app.</text>

<text>To install Flatpak, run the following in the terminal:</text> <code></code>

<text>Flathub is the best place to get Flatpak apps. To enable it, run:</text> <code></code>

<text>To complete setup, restart Linux. You can do this by right-clicking terminal, and then clicking "Shut down Linux". Now all you have to do is <link>install apps</link>!</text>

<text>To install Flatpak in Crystal Linux, you must first make sure your packages are up to date. Run the following in a terminal:</text> <codeUpdate></codeUpdate> <text>Then install Flatpak:</text> <code></code>

<text>A flatpak package is available in Debian 10 (Buster) and newer. To install it, run the following as root:</text> <code></code>

<text>If you are running GNOME, it is also a good idea to install the Flatpak plugin for GNOME Software. To do this, run:</text> <code></code> <text>If you are running KDE, you should instead install the Plasma Discover Flatpak backend:</text> <codeDiscover></codeDiscover>

<text>To install Flatpak on Deepin, run the following in a terminal:</text> <code></code>

Install the Deepin themes

<text>To install light and dark themes, run:</text> <code></code>

Install Apps

<text>elementary OS 5.1 and newer comes with Flatpak support out of the box. For non-curated apps, head to <link>Flathub</link> to install any app using the big "Install" button, and open the downloaded `.flatpakref` file with Sideload.</text> <text>Note: After installing one app from a remote like Flathub, all other apps from that remote will also automatically show up in AppCenter.</text>

<text>To install Flatpak on EndeavorOS, you must first make sure your installation is up to date, run the following in a terminal:</text> <codeUpdate></codeUpdate> <text>Then install Flatpak:</text> <code></code>

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text> <text>Note: graphical installation of Flatpak apps may not be possible with EndeavourOS.</text>

<text>To install Flatpak on Gentoo, open the Terminal app and run:</text> <code></code>

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text> <text>Note: graphical installation of Flatpak apps may not be possible with Gentoo.</text>

<text>To install Flatpak on GNU Guix, run the following in a terminal:</text> <code></code>

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text> <text>Note: graphical installation of Flatpak apps may not be possible with GNU Guix.</text>

<text>To install Flatpak on Kubuntu, open Discover, go to Settings, install the Flatpak backend and restart Discover.</text>

Install the Flatpak system settings add-on

<text>To integrate Flatpak support into the Plasma System Settings, open the Terminal app and run:</text> <code></code>

<text>Flathub is the best place to get Flatpak apps. To enable it, open Discover, go to Settings and add the Flathub repository.</text>

<text>A flatpak package is available for Mageia 6 and newer. To install with DNF, run the following as root:</text> <code></code> <text>Or, to install with urpmi, run:</text> <codeUrpmi></codeUrpmi>

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text> <text>Note: graphical installation of Flatpak apps may not be possible with Mageia.</text>

Enable Flatpak through the Software Manager

<text>Flatpak is installed by default on Manjaro 20 or higher.</text> <text>To enable its support, navigate to the Software Manager (Add/Remove Programs)</text> <text>Click on the triple line menu [or dots depending on the Desktop Environment] on the right, in the drop down menu select "Preferences"</text> <text>Navigate to the "Flatpak" tab and slide the toggle to Enable Flatpak support (it is also possible to enable checking for updates, which is recommended).</text>

<text>Flatpak support is built in from MX 18 and later. It is only required to activate the Flathub repository following these instructions:</text> <text>Open MX Package Installer (open the menu and look in MX Tools), select the "Flatpaks" tab, to activate the repository you will need to enter the root password.</text>

<text>To install Flatpak, set NixOS option services.flatpak.enable to true by putting the following into your /etc/nixos/configuration.nix:</text> <code></code> <text>Then, rebuild and switch to the new configuration with:</text> <codeRebuild></codeRebuild> <text>For more details see the <doclink>NixOS documentation</doclink>.</text>

<text>Flatpak is available in the default repositories of all currently maintained openSUSE Leap and openSUSE Tumbleweed versions.</text> <text>If you prefer a graphical installation, you can install Flatpak using a "1-click installer" from <link>software.opensuse.org</link>. If your distribution version is not shown by default, click Show under Unsupported distributions category and then select from the list.</text> <text>Alternatively, install Flatpak from the command line using Zypper:</text> <code></code>

<text>A flatpak package is available in Pardus 2019 and newer. To install it, run the following as root:</text> <code></code>

<text>If you are running GNOME, it is also a good idea to install the Flatpak plugin for GNOME Software. To do this, run:</text> <code></code>

<text>A flatpak package is available in Pisi 2.1 and newer. To install it, run the following as root:</text> <code></code>

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text> <text>Note: graphical installation of Flatpak apps may not be possible with Pisi GNU/Linux.</text>

<text>A flatpak package is available in Raspberry Pi OS (previously called Raspbian) Stretch and newer. To install it, run the following as root:</text> <code></code>

<text>Flathub is the best place to get Flatpak apps. To enable it, run:</text> <code></code> <text>Important note: It is recommended to use Raspberry Pi OS 64-bit as newer applications are more likely to be available for that platform only.</text>

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text> <text>Note: graphical installation of Flatpak apps may not be possible with Raspberry Pi OS.</text>

<text>Flatpak is installed by default on Rocky Linux 8 and newer, when installed with a software selection that includes GNOME (Server with GUI, Workstation). If you are using such a system, you may skip this step. To install Flatpak on Rocky Linux, run the following in a terminal:</text> <code></code>

<text>To install Flatpak on Solus, open the Terminal app and run:</text> <code></code>

<text>To complete setup, restart your system. Now all you have to do is <link>install apps</link>!</text> <text>Note: graphical installation of Flatpak apps is available only through GNOME Software and/or KDE Discover.</text>

<text>To install Flatpak on Ubuntu 18.10 (Cosmic Cuttlefish) or later, open the Terminal app and run:</text> <code></code>

Install GNOME Software Flatpak plugin

<text>The GNOME Software plugin makes it possible to install apps without needing the command line. To install, run:</text> <code></code> <text>Note: Ubuntu distributes GNOME Software as a Snap in versions 20.04 to 23.04, and replaced it with App Center in 23.10 and newer—neither of which support installing Flatpak apps. Installing the Flatpak plugin will also install a deb version of GNOME Software, resulting in two "Software" apps being installed at the same time on Ubuntu 20.04 to 23.04, and a single new "Software" app on Ubuntu 23.10 and newer.</text>

<text>To install Flatpak on Void Linux, run the following in a terminal:</text> <code></code>

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