QOwnNotes is the open source (GPL) plain-text file notepad with Markdown support and todo list manager for GNU/Linux, Mac OS X and Windows by Patrizio Bekerle, that (optionally) works together with the notes application of ownCloud or Nextcloud.
    

QOwnNotes

Plain-text file notepad with Markdown support and Nextcloud integration

An unofficial client to install Unreal Engine, download and manage purchased assets, projects, plugins and games from the Epic Games Store
      Features:
      
        Downloading purchased assets from unreal marketplace
        Downloading official binary Unreal Engine packages
        Adding assets to projects and creating new projects from assets
        Listing and launching Unreal projects
        Listing and launching Unreal Engine installations
      
    

Epic Asset Manager

There are not many light-weight archiving solutions based on Qt. CoreArchiver is an extremely simple archiving/de-archiving solution built using Qt, based on the libarchive-qt library.

CoreArchiver

A simple file compressing/extracting utility

Current weather, with information about temperature, pressure, wind speed and wind direction, sunrise and sunset. Know meteorologic predictions to next hours and days. Show awesome maps with all the information. Switch between some maps distributors. Now with System Tray Indicator, showing your location and forecast.Other features:Forecast for next 18 hoursForecast for next five daysChoose your units from metric, imperial or british systemsChoose your city with popup mapsWatch awesome maps with weather information

Meteo

Know the forecast of the next hours and days with data and maps at any city all around the world

Mini version of 'System Monitoring Center'*** Announcement (20.10.2023): End of support for Mini System Monitor ***Features:Monitoring CPU, RAM, Disk, Network usageAbout 40 MiB RAM consumptionFree and open source

Mini System Monitor

Program for easy creation of text notes.
    

Notepad

Find a variety of the most beautiful wallpapers from Unsplash.com the world’s most generous community of photographers.Fondo allows you to see thousands of beautiful photographs from the most recent to the one you are to looking for. Give a single click on a picture, wait until the download is complete and enjoy your new wallpaper!Have a minimalist, simple and elegant interface, additionally, you can change from light mode to dark mode as you prefer.Main features:🌠️ To infinity and beyond!: Use the infinite scroll to load more photos.🔍️ Find out what you like: Search by categories or type in the search bar.🕒️ Keep your favorite photos with you: Every new wallpaper is saved in the history.📬️ Share with your friends: Select a variety of options for sharing an Unsplash link to the photo.🔄️ Filter by orientation: Portrait, Landscape or Any.🖼️ Create an amazing slideshow on your desktop by selecting your favorites photos.🔽️ Download any photo you like.

Fondo

Moosync is an Electron based simple music player with a primary goal to provide a clean and easy interface.Through Moosync you can easily listen songs from your desktop or through Youtube and Spotify.Some of its features include:Play audio files on your desktop.Seamlessly integrate your Spotify and Youtube playlists.Add Spotify and Youtube tracks and playlists by URLs.Play songs directly from youtube using youtube embed.Scrobble your tracks on LastFM.Get music recommendations directly from Spotify, Youtube and LastFMMix and match songs from different providers in a single playlistEasy to use interfaceCustomizable theme engineDevelop own apps on top of Moosync Extension APIAvailable on Windows and Linux and MacOS

Moosync

UEFITool is a cross-platform open source application, that parses UEFI PI-compatible firmware image into a tree structure, verifies image integrity and provides a GUI to manipulate image elements.

UEFITool


            Trim, flip, rotate and crop individual clips. Footage is a useful tool for quickly editing short videos and screencasts. It's also capable of exporting any video into a format of your choice.
        
    

Footage


      Prevents the desktop environment (DE) from sleeping.
      It should work regardless of the used DE thanks to the Inhibit portal.
    
      Features:
      
        Overrides system setting and disables automatic suspending
        Overrides system setting and disables screen blanking and screen locking
        Option to use system default, light or dark theme
        AppIndicator support
      
    

Stimulator

All fields specified in the FreeDesktop.org Desktop Entry and Menu specifications are available to quickly update. Additionally, MenuLibre provides an editor for the launcher actions used by applications such as Unity and Plank.&lt;em&gt;Features:&lt;/em&gt;&lt;em&gt;Característiques:&lt;/em&gt;&lt;em&gt;Características:&lt;/em&gt;&lt;em&gt;Ominaisuudet:&lt;/em&gt;&lt;em&gt;Fonctions :&lt;/em&gt;&lt;em&gt;Caratteristiche:&lt;/em&gt;&lt;em&gt;Ypatybės:&lt;/em&gt;&lt;em&gt;Ciri-ciri:&lt;/em&gt;&lt;em&gt;چيري٢:&lt;/em&gt;&lt;em&gt;Kenmerken:&lt;/em&gt;&lt;em&gt;Cechy:&lt;/em&gt;&lt;em&gt;Особенности:&lt;/em&gt;&lt;em&gt;Funktioner:&lt;/em&gt;&lt;em&gt;Özellikler:&lt;/em&gt;A beautiful interface powered by the latest version of GTK+Create new launchers, or modify existing ones with complete control over common settings and access to advanced settingsAdd, remove, and adjust desktop actions: powerful shortcuts available used by Unity, Xfce, and PantheonEasily rearrange menu items to suit your needs

MenuLibre

An advanced FreeDesktop.org compliant menu editor

Simple Wireplumber GUI

Have always at a glance the usage of system resourcesMonitorets is a small utility application offering a simple and quick view at the usage of several of your computer resources. Almost like an applet or a widget for your desktop.Available monitors:CPUGPU (experimental support)MemorySwapNetwork downlink trafficNetwork uplink trafficHome folder spaceRoot spaceCPU, Memory and I/O pressureTemperature sensors

Monitorets

Have always at a glance the usage of system resources

Live Captions is an application that provides realtime automatic subtitles for the Linux desktop.Only the English language is supported currently. Other languages may produce gibberish or a bad phonetic translation.Features:Simple interfaceCaption desktop/mic audio locally, powered by deep learningNo API keys, no proprietary services/libraries, no telemetry, no spying, no data collection, does not use network permissionAdjust font, font size, and toggle uppercase/lowercaseLess confident text is faded (darkened), this feature can be disabledRunning this requires a somewhat-decent CPU that can perform realtime captioning, especially if you want to be doing other tasks (such as video decode) while running Live Captions. It has been tested working on:Intel i7-2670QM (2011)Intel i5-8265U (2018)AMD Ryzen 5 1600 (2017)Steam DeckGPU is not required or used.The live captions may not be accurate. It may make mistakes, including when it comes to numbers. Please do not rely on the results for anything critical or important.More models may be trained and released in the future with better and more robust accuracy.

Live Captions

A graphical overlay for Discord voice chat.
    

Discover Overlay

A graphical overlay for Discord voice chat.

The file manager for the Expidus operating system designed using Flutter.

File Manager

COSMIC Web Apps written with love and libcosmic.
            Allow you to simply create web applications from given URL working inside separate window of your browser of
            choice.
            Works on most mainstream desktop environments with all the mainstream web browsers installed via flatpak.
        
      
        Fast and easy to use
        Works out of the box
        In-app icon pack installer
        Supports most mainstream browsers
      
    

COSMIC Web Apps

Generate pictures with Artificial Intelligence and save them

Imaginer


      Helix is a terminal-based text editor inspired by Kakoune / Neovim and written in Rust.
    
      
        Vim-like modal editing
        Multiple selections
        Built-in language server support
        Smart, incremental syntax highlighting and code editing via tree-sitter
      
    

Helix

The AusweisApp is a software, that you can install on your Computer/Smartphone/Tablet, to identify yourself online with your ID card or your electronic residence permit.
       The App is availible for the most used operating systems and works in all common browsers.
      The AusweisApp offers you an intigrated self-assessment where you are able to view your data that is stored on the online ID.
      In the app you will also find an overview with the available services, a running overview and you can manage your PIN there.
      This app is on behalf of the Federal Office for Information Security.
    

AusweisApp

Official authentication app for German ID card and residence permit


      An elegant Linux app for the Elgato Stream Deck featuring advanced features like plugins and
      automatic page changing.
    
      
      App Features:
    
      
        Elegant GTK4 Interface
        Plugin support with built-in store
        Multi-deck support
        Set background images &amp; videos
        Set custom icons
        Automatic page switching (Gnome &amp; Hyprland)
      
      
      Official Plugin Features:
    
      
        Execute commands
        Press hotkeys (X and Wayland)
        Move mouse (X and Wayland)
        Control OBS Studio
        Control your music
        Mix the volume of different apps
        Switch between audio outputs
        Mute your microphone
        Display the current time
        Send network requests
      
      
      Supported devices
    
      
        Stream Deck Original
        Stream Deck Original V2
        Stream Deck Mini
        Stream Deck XL
      
    

StreamController

Control your Elgato Stream Decks with plugin support


   Gnote is a simple note-taking application for GNOME desktop environment. It allows you to capture your ideas, link them together using WikiWiki-style links, group together in notebooks and some extra features for everyday use.
  
      Notes can be printed or exported as HTML documents.
      Gnote also supports synchronization, making it simple to use it on multiple devices.
    

Gnote

Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).
      Features include a large library of customizable functions, unit calculations and conversion, physical constants, symbolic calculations (including integrals and equations), arbitrary precision, uncertainty propagation, interval arithmetic, plotting, and a user-friendly interface.
    

Qalculate! (Qt UI)

Damask is an automatic wallpaper application. It currently supports setting the wallpaper image from the following sources:
      
        wallhaven.cc
        Microsoft Bing Wallpaper of the day
        NASA Astronomy Picture of the Day
        Unsplash
        Google Earth View
      
    

Damask

An ad-free multi-platform QR code scanner and generator

QR Scanner

A stupidly-simple notes application for any type of short term notes or ideas.🟡 Color your notes in 8 different colors📓 Classify them in notebooks🔤 Format text to your liking📌 Pin your most important ones

Notejot

Kiview lets you quickly preview various file types (text, images, videos, etc.) in Dolphin without opening the default app. Similar applications are Apple's Quick Look and Gnome Sushi.
      Supported file types:
      .txt,.sh,.json,.pdf,.doc,.docx,.odt,.ods,.xlsx,.xls,.csv,.odp,.ppt,.pptx,.png,.jpg,.jpeg,.jxl,.kra,.svgz,.svg,.mp4,.mp3,.webm,.zip,.gz,.xz,.rar
    

Kiview

Qalculate! (GTK UI)

qFlipper is completely open source and based on Qt framework. Runs on Windows, macOS, Linux.FeaturesUpdate Flipper's firmware and supplemental data with a press of one buttonRepair a broken firmware installationStream Flipper's display and control it remotelyInstall firmware from a `.dfu` fileBackup and restore settings, progress and pairing dataAutomatic self-update featureCommand line interface

qFlipper

Graphical desktop application for updating Flipper Zero firmware via PC

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