OpenTTD is an open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe", written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.

OpenTTD

Open source simulation game based upon Transport Tycoon Deluxe

Upscayl is a free and open source AI Image Upscaler built with linux-first philosophy.

Upscayl

PCSX2 is a Playstation 2 'emulator', a free program that tries to replicate the Playstation 2 console to enable you to play PS2 games on your PC.Advantages over the Playstation 2 console:Custom resolutions, up to 4096x4096, Anti Aliasing, and Texture filteringUnlimited memory cardsSave states, enabling you to quick save and load practically anywhere in your gameEasy cheating using our pnach patching systemUse any controller or keyboards and miceIncrease or decrease the game speed by using the built-in frame-limiterAbility to record in full HD with the built-in video recorder (F12 using the GSdx plugin)Copy your PS2 BIOS files to the default BIOS search path "$HOME/.var/app/net.pcsx2.PCSX2/config/PCSX2/bios".

PCSX2

Multi-featured system monitorFeatures:Detailed system performance and usage usage monitoring/managing featuresMonitoring CPU, RAM, Disk, Network, GPU hardware/usage informationMonitoring and managing processes and services (systemd)Monitoring users, sensors and general system informationSupports PolicyKit. No need to run the application with "sudo"Hardware selection options (selecting CPU cores, disks, network cards, GPUs)Plotting performance data of multiple devices at the same timeInteractive charts for querying performance data on any pointOption for showing processes as tree or listSupports ARM architectureFree and open sourceNotes for Limitations:GPU usage information availability depends on vendor/driver.GPU load is not tracked if GPU tab is switched off (for lower CPU usage).Virtual machines may not provide CPU min-max frequencies, sensors and RAM hardware information.Non-Flatpak versions of the application has higher performance (start speed, CPU, RAM usage).Notes for Flatpak Support:Flatpak version of the application uses some permissions (like not sandboxed) to access performance/system information of the host OS.Flatpak package of the application may be installed for system-wide instead of user-specific for avoiding source code modifications.

System Monitoring Center

Mixxx is free DJ software that gives you everything you need to perform live DJ mixes. Blend songs together with automatic BPM matching and remix on-the-fly with looping and hot cues. Whether you're a pro DJ or just getting started, Mixxx has you covered.Mixxx works with ALSA, JACK, OSS and supports many popular DJ controllers. Key features include:Parallel or split scratchable waveform displaysMP3, OGG, WAVE, FLAC, and optional AAC (M4A) playbackWAVE, OGG, and optional MP3 recordingFast, database-powered libraryCrates and playlists for organizing your musicReads iTunes, Traktor, and Rhythmbox librariesCross-platform - works on Windows, Mac OS X and LinuxShoutcast and Icecast broadcastingSupport for many DJ MIDI and HID controllers out-of-the-boxAdvanced MIDI scripting engine for maximum flexibilityVinyl emulation with Serato, Traktor, and Mixvibes timecode supportBeat and key detectionReplayGain volume normalizationAutomatic crossfading with Auto DJSkinnable interface with several skins bundled

Mixxx DJ Software

Everything you need to perform live DJ mixes

Ryujinx is an open-source Nintendo Switch emulator written in C#This emulator aims at providing excellent accuracy and performance, a user-friendly interface, and consistent builds.

Ryujinx

RPCS3 is an experimental open-source Sony PlayStation 3 emulator and debugger written in C++ for Windows and Linux. RPCS3 started development in May of 2011 by its founders DH and Hykem. The emulator is currently capable of running over 1800 commercial titles powered by Vulkan and OpenGL.The goal of this project is to experiment, research, and educate on the topic of PlayStation 3 emulation that can be performed on compatible devices and operating systems. All information was obtained legally by purchasing PlayStation 3 hardware and software. Additional information was obtained from various sources on the internet that include but is not limited to system hardware and software documentation. Most of this information can be found on the PlayStation 3 Developer Wiki.

RPCS3

Welcome To Veloren!Veloren is a multiplayer voxel RPG written in Rust. Veloren takes inspiration from games such as Cube World, Minecraft and Dwarf Fortress. The game is currently under heavy development, but is playable.DevelopmentCurrently the communication of contributors happens mainly on our official Discord server (https://discord.gg/kjwJwjK). You can join it to keep up with the development, talk to us or contribute something yourself. Anyone who shows genuine effort to help is welcome in our team. You don't have to know how to program to contribute!

Veloren

Veloren is a multiplayer voxel RPG written in Rust. It is inspired by games such as Cube World, Legend of Zelda: Breath of the Wild, Dwarf Fortress and Minecraft.

Citra is an experimental open-source Nintendo 3DS emulator/debugger written in C++. It is written with portability in mind, with builds actively maintained for Windows, Linux and macOS.Citra emulates a subset of 3DS hardware and therefore is useful for running/debugging homebrew applications, and it is also able to run many commercial games! Some of these do not run at a playable state, but we are working every day to advance the project forward. (Playable here means compatibility of at least "Okay" on our game compatibility list.)

Citra

DDraceNetwork is an actively maintained version of DDRace, a Teeworlds modification with a unique cooperative gameplay. Help each other play through custom maps with up to 64 players, compete against the best in international tournaments, design your own maps, or run your own server.

DDNet

DDraceNetwork, a cooperative racing mod of Teeworlds

This app allows you to send files and messages over the local LAN network.In contrast to most alternatives, no external servers are needed. Everything happens locally in the wifi network.

LocalSend

The FreeCol team aims to create an Open Source version of Colonization (released under the GPL). At first we'll try to make an exact clone of Colonization. The visuals will be brought up to date with more recent standards but will remain clean, simple and functional. Certain new 'features' will be implemented but the gameplay and the rules will be exactly the same as the original game. Examples of modern features are: an isometric map and multiplayer support.This clone will be developed incrementally and result in FreeCol 1.0.0 which will be an almost exact Colonization clone. Incremental development basically means that we'll add features one at a time. This allows us to have a running program at all times and also to release an unfinished but working game once in a while.Once FreeCol 1.0.0 is finished we'll start working towards FreeCol 2.0.0. FreeCol 2 will go beyond the original Colonization and will have many new features, it will be an implementation of our (and our users') image of what Colonization 2 would have been.

FreeCol

AntiMicroX is a graphical program used to map gamepad buttons/joysticks to keyboard, mouse, scripts and macros. It can be also used for generating SLD2 configuration (useful for mapping atypical gamepads to generic ones like xbox360).Features:Mapping of gamepads/joystick buttons to: ⌨️keyboard buttons, 🖱️mouse buttons and moves, scripts, executables and macros consisting of elements mentioned hereAssigning multiple switchable sets of mappings to gamepad.Auto profiles - assign profile to active application window.AntiMicroX was inspired by QJoyPad.

AntiMicroX

Graphical program used to map gamepad buttons to keyboard, mouse, scripts and macros

Keep your Markdown managed. Write epic tales, a novel, that screen play, keep a journal, or finally write that book report.ThiefMD is a Markdown Editor providing an easy way to organize, format, and compile your markdown documents. When you're ready to Publish, go to ePub, PDF, Office, Ghost, WordPress, Write-Freely, or more.Import from and Export to Office, ePUB, HTML, and more. ThiefMD is your one stop shop for making and managing markdown mischief.Working on a screenplay? ThiefMD can handle and combine Fountain files as well. Write your novel and prepare for that movie deal all from the same app.

ThiefMD

Scilab is free and open source software for numerical computation providing a powerful computing environment for engineering and scientific applications. Scilab includes hundreds of mathematical functions. It has a high level programming language allowing access to advanced data structures, 2-D and 3-D graphical functions. A large number of functionalities is included in Scilab:Maths &amp; Simulation: For usual engineering and science applications2-D &amp; 3-D Visualization: Graphics functions to visualize, annotate and export dataOptimization: Algorithms to solve constrained and unconstrained continuous and discrete problemsStatistics: Tools to perform data analysis and modelingControl System Design &amp; Analysis: Standard algorithms and tools for control system studySignal Processing: Visualize, analyze and filter signals in time and frequency domainsApplication Development: Increase Scilab native functionalities and manage data exchangesXcos - Hybrid dynamic systems modeler and simulator: Modeling physical systems, control systemsThanks to its ability to interconnect with third-party technologies and applications, Scilab can also act as a unique platform to bring together codes written in different programming languages in a single, unified language, thus facilitating their distribution, their back-up and use.

Scilab

Scientific software package for numerical computations

NOTE: 10 seconds after launch the default browser will open with Jellyfin.NOTE: HDR Tone mapping on Intel extensionflatpak install flathub org.jellyfin.JellyfinServer.Plugin.IntelComputeRuntimeJellyfin is a Free Software Media System that puts you in control of managing and streaming your media. It is an alternative to the proprietary Emby and Plex, to provide media from a dedicated server to end-user devices via multiple apps. Jellyfin is descended from Emby's 3.5.2 release and ported to the .NET Core framework to enable full cross-platform support. There are no strings attached, no premium licenses or features, and no hidden agendas: just a team who want to build something better and work together to achieve it. We welcome anyone who is interested in joining us in our quest!Create media foldersmkdir -p ${HOME}/'Jellyfin Server Media'/{Movies,Music,Shows,Books,Photos}Open Jellyfin Dataxdg-open ~/.var/app/org.jellyfin.JellyfinServerRaspberry Pi 4 GPUflatpak override --user --device=all org.jellyfin.JellyfinServer

Jellyfin Server

A reimplementation of the most famous civilization-building game ever—fast, small, no ads, free forever!Build your civilization, research technologies, expand your cities and defeat your foes!The world awaits! Will you build your civilization into an empire that will stand the test of time?

Unciv

Survival horror set on a remote island known as Fort Oasis. The island was once run by a community of coal miners which one day suddenly disappeared, leaving behind the abandoned concrete jungle to waste away.Something, clearly, has gone very wrong with this place. Upon your arrival at Fort Oasis, you receive a strange radio transmission. Someone wants to be found. Survive in 6 chapters, against over 8 horrifying fiends with a large assortment of weapons.

Total Chaos

Survival horror set on a remote island known as Fort Oasis

This flatpak is not supported by webcord directly! Please open issues on the flathub repository first!A web-based Discord and Fosscord client made with Electron

WebCord

A web-based Discord and Fosscord client made with Electron

OCR powered screen-capture tool to capture information instead of images.Usage:Start NormCapSelect a region on the screenWait while the text is being extractedPaste the result from the clipboard (ctrl+v)Some notable features:Works offline (data doesn't leave your computer)Supports many different languagesSupports multi monitor setupsHeuristic parsing to improve resultsFree and Open SourceAvailable for Linux, Windows and macOSTags: OCR, Tesseract, screenshot, recognition

NormCap

Chats is a simple to use to messaging app for 1:1 communication and small groups supporting SMS, MMS, XMPP and Matrix.

Chats

Messaging application for mobile and desktop

— A basic yt-dlp frontend— Supports downloading videos in multiple formats (mp4, webm, mp3, opus, flac, and wav)— Run multiple downloads at a time— Supports downloading metadata and video subtitles

Tube Converter

An example of how to package Monomer apps with Flatpak.

Monomer Flatpak Example

Easy automated synchronisation between your computer and your MEGA cloud.Sync and lots more with the MEGA Desktop AppFor all major platforms — Compatible with Windows, macOS and Linux, including syncing between different platforms.Stream files directly from MEGA — The MEGA app allows you to stream any file from your MEGA cloud or from a file link, straight to your favourite player.Deleted data retention — MEGA moves deleted files to a special folder on your local computer and in your MEGA cloud so they can be restored if you need to.Powerful Transfer Manager — Full control over active and completed transfers: prioritise, pause/resume, open, generate links and more…Easy Automated Synchronisation — Access and work with your data securely across different locations and devices. It’s always on and fully automatic.Browser Integration — All MEGA browser file transfers can be automatically handled by the MEGA app, significantly enhancing the reliability, performance and speed. This avoids browser limitations, especially for large files.File Manager — As well as syncing specified folders, you can upload and download selected files/folders, enable file versioning and overlay sync icons in your standard file explorer.

MEGAsync

Easy automated syncing between your computers and your MEGA Cloud Drive.

An advanced calculator that helps you with complicated calculations in your homeworkFeatures:Scientific modeProgrammer modeCalculus modeStatistics modeDate Calculation modeSome common unit converters

Pebbles

Survival horror set on a remote island known as Fort Oasis. The island was once run by a community of coal miners which one day suddenly disappeared. Something, clearly, has gone very wrong with this place. Upon your arrival at Fort Oasis, you receive a strange radio transmission. Someone wants to be found. Survive in 6 chapters, against over 8 horrifying fiends with a large assortment of weapons.Retro Edition has reduced texture resolution and poly-counts for improved performance. Save files from other versions of Total Chaos are not compatible.

Total Chaos Retro Edition

NOTE: This release is not verified by, affiliated with, or supported by Standard Notes Ltd.Standard Notes is a simple and private notes app. It syncs your notes securely across all your devices, including your Android devices, Windows, iOS, Linux, and Web.Private means your notes are end-to-end encrypted, so only you can read your notes. Even we can't read the contents of your notes.Simple means it does one job and does it well. Standard Notes is a safe and lasting place for your life's work. Our focus is making it easy to write notes wherever you are and syncing them with encryption to all your devices.Our users love us for:Personal NotesTasks &amp; TodosPasswords &amp; KeysCode &amp; Technical ProceduresPrivate JournalMeeting NotesCross-platform ScratchpadBooks, Recipes, &amp; MoviesHealth &amp; Fitness LogStandard Notes comes free with:Seamless sync across all your devices, with easy to use applications on Android, Windows, Linux, iPhone, iPad, Mac, and web browsers.Offline access, so you can access your downloaded notes even without a connection.No limit on number of devices.No limit on number of notes.Passcode lock protection, along with fingerprint protection.A tagging system to organize your notes (like #work, #ideas, #passwords, #crypto).The ability to pin, lock, protect, and move notes to trash, which allows you to recover deleted notes until the trash is emptied.Standard Notes is completely open-source, which means when we say your notes are encrypted with AES-256 encryption, and that only you can read your notes, you don't have to take our word for it. Our code is open to the world to audit.We made Standard Notes simple because longevity is important to us. We want to make sure we're here, protecting your notes, for the next hundred years. You shouldn't have to find a new notes app every year.To sustain our development, we offer an optional paid program called Standard Notes Extended. Extended gives you access to powerful tools including:Productivity editors (like Markdown, Code, Spreadsheets)Beautiful themes (like Midnight, Focus, Solarized Dark)Powerful cloud tools including daily backups of your encrypted data delivered to your email inbox every day, or backed up to your cloud provider (like Dropbox and Google Drive).You can learn more about Extended at standardnotes.com/extended.

Standard Notes

A simple and private place for your notes, thoughts, and life's work

Simple application to download and set wallpapers from wallhaven

Wallpaper Selector

yuzu is the world's most popular, open-source, Nintendo Switch emulator — started by the creators of Citra.The emulator is capable of running most commercial games at full speed, provided you meet the necessary hardware requirements.For a full list of games yuzu support, please visit our Compatibility page.Check out our website for the latest news on exciting features, monthly progress reports, and more!

yuzu

A medieval strategy game with countless unique and challenging levels.You play on a randomly generated island made of hexagons. Your goal is to conquer all of it. To do so, you attack the enemy with your units while trying to protect your own kingdoms.

Feudal Tactics

Strategy game with countless unique and challenging levels.

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