
      Kleopatra is a certificate manager and a universal crypto GUI.
      It supports managing X.509 and OpenPGP certificates in the GpgSM keybox and retrieving certificates from LDAP servers.
    
    

Kleopatra

Certificate Manager and Unified Crypto GUI


      KTorrent is a BitTorrent application by KDE which allows you to download files using
      the BitTorrent protocol. It enables you to run multiple torrents at the same time and
      comes with extended features to make it a full-featured client for BitTorrent.
    
      Features:
      
        Queuing of torrents
        Global and per torrent speed limits
        Previewing of certain file types, build in (video and audio)
        Importing of partially or fully downloaded files
        File prioritization for multi-file torrents
        Selective downloading for multi-file torrents
        Kick/ban peers with an additional IP Filter dialog for list/edit purposes
        UDP tracker support
        Support for private trackers and torrents
        Support for µTorrent's peer exchange
        Support for protocol encryption (compatible with Azureus)
        Support for creating trackerless torrents
        Support for distributed hash tables (DHT, the Mainline version)
        Support for UPnP to automatically forward ports on a LAN with dynamic assigned hosts
        Support for webseeds
        System tray integration
        Tracker authentication support
        Connection through a proxy
      
      In addition to the built-in functionalities, there are some plugins available for KTorrent.
    

KTorrent


     KGet is a versatile and user-friendly download manager.
    
      Features:
      
        Downloading files from FTP and HTTP(S) sources.
        Pausing and resuming of downloading files, as well as the ability to restart a download.
        Tells lots of information about current and pending downloads.
        Embedding into system tray.
        Integration with the Konqueror web browser.
        Metalink support which contain multiple URLs for downloads, along with checksums and other information.
      
    

KGet


      KGraphViewer is a Graphviz DOT graph file viewer, aimed to replace the other outdated Graphviz tools.
      Graphs are commonly used in scientific domains and particularly in computer science.
    
      Features:
      
        Zooming
        Threaded loading of several graphs in tabs
        Saving of the recent files list
        Manual reload of files
        Display of a bird-eye view of the graph
        Moving of the graph by dragging
        Full featured printing
        Perfect drawing of all graphviz example graphs
        Automatically choose dot for directed graphs and neato for undirected
        Possibility to use an arbitrary layout algorithm as soon as it produces xdot format
        Automatic reloading with user confirmation of (externally) modified files (configurable)
        Open new instances as new tabs in the old one (configurable)
      
    

KGraphViewer


      KBibTeX is a reference management application which can be used to collect TeX/LaTeX bibliographies and export them in various formats.
    
      KBibTeX can do the following things:
      
        Preview bibliography entries in various formats (Source (BibTeX), Source (RIS), Wikipedia, standard (XML/XSLT), fancy (XML/XSLT), and abstract-only (XML/XSLT)). Additional preview styles become available when bibtex2html is installed.
        Import data in various bibliography file formats such as BibTeX, RIS and ISI (requires bibutils) and export data to PDF (requires pdflatex), PostScript (requires latex), RTF (requires latex2rtf), and HTML.
        Search for the bibliography entries data in online databases (e.g. Google Scholar, ACM, IEEE, arXiv, etc.)
        Preview local or remote (online) resources, e.g. PDF files, linked in the BibTEX entry.
        Find and merge duplicate entries in bibliography.
        Integrate your bibliographies with LaTeX editors such as Kile and LyX.
        Import your Zotero library.
      
    

KBibTeX

BibTeX editor by KDE to edit bibliographies used with LaTeX

Plex for Linux is your client for playback on the Linux desktop. It features the point and
    click interface you see in your browser but uses a more powerful playback engine as well as
    some other advanced features.
    

Plex


Memorize is a native GNOME app that stores your flashcard sets.
It enables you to create, edit, view, and study sets.
Use the test mode for creating a preparation exam.

You can easily import existing Quizlet sets.
    
    

Memorize

Ristretto is an image viewer for the Xfce desktop environment.
    
      The Ristretto Image Viewer is an application that can be used to view
       and scroll through images, run a slideshow of images, open images with
       other applications like an image-editor or configure an image as the
       desktop wallpaper.
    
    

Ristretto


      Personal Health Record - PHR.
    
    

MyGNUHealth

Telegram Desktop based messenger with Material Design and additional features
    

materialgram

Game, work, and play together from anywhere.
      Parsec allows you to access your machine at home, while you are on the go.
     Share machine access with your friends and family to have a remote couch game evening.
     Or use the Arcade mode to play with random strangers all sorts of games.
      NOTE: A Parsec account is required to use this application.
      NOTE: Parsec will not allow you to access your Linux machine remotely. You can only
     join other host machines.
      NOTE: This wrapper is not verified by, affiliated with, or
    supported by Parsec Cloud, Inc.
    

Parsec

Provide Windows 64bit build with some enhancements.
    

64Gram Desktop

Unofficial desktop version of Telegram messaging app


    Google Chrome is a browser that combines a minimal design with sophisticated technology to make the web faster,
    safer, and easier.
    
      NOTE: This wrapper is not verified by, affiliated with, or supported by Google.
    

Google Chrome (unstable)

The hydrus network client is a desktop application written for Anonymous and other internet enthusiasts with large media collections. It organises your files into an internal database and browses them with tags instead of folders, a little like a booru on your desktop. Tags and files can be anonymously shared through custom servers that any user may run. Everything is free, nothing phones home, and the source code is included with the release. It is developed mostly for Windows, but builds for Linux and macOS are available (perhaps with some limitations, depending on your situation).
      Currently importable filetypes are:
      
        images - jpg, gif (including animated), png (including animated!), tiff, webp, bmp
        video - webm, mp4, mpeg, avi, mov, mkv, flv, wmv
        audio - mp3, flac, ogg, wma
        misc - swf, pdf, psd, zip, rar, 7z
      
      The client can download files and parse tags from a number of websites, including by default:
      
        various imageboards, with a thread watcher
        the popular boorus
        gallery sites like deviant art, and pixiv
        tumblr and twitter
      
      And can be extended to download from more locations using easily shareable user-made downloaders. It can also be set to 'subscribe' to any gallery search, repeating it every few days to keep up with new results.
      The program's emphasis is on your freedom. There is no DRM, no spying, no censorship. The program never phones home.
    

Hydrus


      The pairinteraction software calculates properties of Rydberg systems. The software consists of a C++/Python library and a graphical user interface for pair potential calculations. For usage examples visit the tutorials section of the documentation.
    
    

pairinteraction


      To use the Signal desktop app, Signal must first be installed on your phone.
    
      
      Millions of people use Signal every day for free and instantaneous communication 
      anywhere in the world. Send and receive high-fidelity messages, participate in 
      HD voice/video calls, and explore a growing set of new features that help you 
      stay connected. Signal’s advanced privacy-preserving technology is always enabled, 
      so you can focus on sharing the moments that matter with the people who matter to you. 
    
      
      Signal is an independent 501c3 nonprofit. The complete source code for 
      the Signal clients and the Signal server is available on GitHub.
    
      
      This flatpak is maintained by the Flathub community, and is not necessarily 
      endorsed or officially maintained by the upstream developers.
    
    

Signal Desktop

NOTE: Allow Sunshine Virtual Input (Required)
      sudo chown $USER /dev/uinput &amp;&amp; echo 'KERNEL=="uinput", SUBSYSTEM=="misc",
      OPTIONS+="static_node=uinput", TAG+="uaccess"' | sudo tee
      /etc/udev/rules.d/60-sunshine-input.rules
      NOTE: Sunshine uses a self-signed certificate. The web browser will report it as not secure,
      but it is safe.
      NOTE: Allow Sunshine to start apps and games. (Optional)
      sudo flatpak override
      --talk-name=org.freedesktop.Flatpak dev.lizardbyte.app.Sunshine
      NOTE: KMS Grab (Optional)
      sudo -i PULSE_SERVER=unix:$(pactl info | awk '/Server String/{print$3}')
      flatpak run dev.lizardbyte.app.Sunshine
      
      Offering low latency, cloud gaming server capabilities with support for AMD, Intel,
      and Nvidia GPUs for hardware encoding. Software encoding is also available. You can connect to Sunshine from any
      Moonlight client on a variety of devices. A web UI is provided to allow configuration, and client pairing, from
      your favorite web browser. Pair from the local server or any mobile device.
    
    

Sunshine

Self-hosted game stream host for Moonlight

Easy automated synchronisation between your computer and your MEGA
    cloud.
      Sync and lots more with the MEGA Desktop App
      For 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

Here you will find The Ur-Quan Masters HD MEGAMOD, a mod that takes the best of the Ur-Quan
            Master's mods and rolls them up into one big "Mega" mod. Building upon the latest Ur-Quan
            Masters source code I've made an expansive mod which includes HD-mod, HD-Remix,
            Nic's Extended mod, and my personal mods which range from quality of life changes and extra
            modes to making the HD portions of the game look more faithful to the original design. Though
            not everything is going to be perfect and a few things will still stand out. I believe classic
            Star Control II fans will favor this version over the previous incarnation of the HD-mod.
    

The Ur-Quan Masters HD MegaMod


            NOTE: This wrapper is not verified by, affiliated with, or supported by Proton
            AG.
        
      
            Proton VPN is the world's only free VPN app that is safe to use and respects
            your privacy. Proton VPN is created by the CERN scientists behind Proton Mail
            - the world's largest encrypted email service. Our fast VPN offers secure,
            private and encrypted internet access with advanced security features. Proton
            VPN also unblocks access to popular websites and streaming platforms.
        
      
            Used by millions worldwide, Proton’s secure no-logs VPN offers 24/7 safe and
            private internet access, and does not record your browsing history, display
            ads, sell your data to third parties, or limit downloads.
        
      Free VPN features available to all users
      
        Unlimited data with no bandwidth or speed restrictions
        Strict no logs policy
        
                Bypass geo restrictions: smart protocol selection automatically overcomes
                VPN bans and unblocks censored sites and content
            
        Full disk encrypted servers protect your data
        
                Perfect forward secrecy: encrypted traffic cannot be captured and decrypted
                later
            
        
                DNS leak protection: we encrypt DNS queries to ensure that your browsing
                activity cannot be exposed through DNS leaks
            
        
                Always-on VPN/ kill switch offers protection against leaks caused by
                accidental disconnections
            
      
      Premium VPN features
      
        Access 2900+ high speed servers across 65+ countries worldwide
        Fast VPN: high speed servers with connections up to 10 Gbps
        
                VPN Accelerator: unique technology increases Proton VPN's speeds by up to
                400% to give a faster browsing experience
            
        Unblock access to blocked or censored content
        Connect up to 10 devices to the VPN at the same time
        
                Ad blocker (NetShield): a DNS filtering feature that protects you from
                malware, blocks ads, and prevents website trackers from following you across
                the web
            
        
                Stream films, sports events, and videos on any streaming service (Netflix,
                Hulu, Amazon Prime Video, Disney+, BBC iplayer etc)
            
        File-sharing and P2P support
        
                Secure Core servers protect against network-based attacks with multi-hop VPN
            
        
                Tor over VPN provides automatic integration with the Tor anonymity network
            
        
                Split tunneling support allows you to select which apps go through the VPN
                tunnel
            
      
      Why choose Proton VPN?
      
        
                No-logs VPN: We do not keep any logs that can identify what you do online
            
        
                DNS and IPv6 leak protection: Our Linux app will never accidentally expose
                your real IP address
            
        
                Easy-to-use interface: The new Proton VPN Linux app has an intuitive
                graphical user interface that lets you quickly activate features and connect
                to servers
            
        
                P2P support: Share and download files using BitTorrent and other P2P
                protocols
            
        
                VPN Accelerator: Free and available to everyone who uses Proton VPN, our
                unique VPN Accelerator technology can improve speeds by over 400%
            
        
                Strong encryption: Our Linux app uses the OpenVPN protocol at its strongest
                encryption settings
            
        
                Based in Switzerland: Switzerland has some of the world's strongest data
                privacy laws
            
        
                Secure streaming: Unblock popular streaming services and watch your favorite
                shows
            
      
      Join the privacy revolution
      
            Your support is important as it allows us to continue our mission to bring
            online freedom to people around the globe. Get our private VPN free today and
            enjoy fast VPN connections and a secure internet, from anywhere.
        
      Required dependencies
      
        NetworkManager-openvpn
        KWallet or GNOME Keyring
        systemd
      
    

Proton VPN

Trusted and easy-to-use VPN app for Linux


      DataGrip is the multi-engine database environment. We support MySQL, PostgreSQL, Microsoft SQL Server, Microsoft
      Azure, Oracle, Amazon Redshift, Sybase, DB2, SQLite, HyperSQL, Apache Derby and H2. If a DBMS has a JDBC driver
      you can connect to it via DataGrip. For any of supported engines it provides database introspection and various
      instruments for creating and modifying objects.
    
      
      DataGrip is available for a free 30-day evaluation. Monthly and yearly subscription options are available for
      companies and individual users.
    
      NOTE: This wrapper is not verified by, affiliated with, or supported by JetBrains s.r.o.
    

DataGrip

Warehouse is an app that manages installed Flatpaks, their user data, and Flatpak remotes.
      Features:
      
        Show and filter the list of installed Flatpaks
        Display properties of installed Flatpaks
        Manage large groups of Flatpaks at once
        Add and remove Flatpak remotes
        Find and trash leftover user data
        Reinstall apps that have leftover data
      
    

Warehouse


				FreeRDP flatpak provides xfreerdp client for systems lacking proper H264 support.
				This build is focused on compatibility with windows RDP servers and ships custom OpenSSL 1.1.1 to allow working connections to older systems like Windows 7 or Server 2008
    
    

FreeRDP Remote Desktop Client

FreeRDP (Remote Desktop Protocol) Client for Linux


    NOTE: This wrapper is not verified by, affiliated with, or supported by Microsoft.
    
      
    Browse the web anywhere with one seamless experience from your phone to your computer and other signed-in devices.
   
      
    Organize the web in a way that cuts through the clutter, making it easier to find, view, and manage your content on the go.
   
      
    With world class compatibility, performance, and new features, Microsoft Edge is the only web browser you’ll ever need.
   
    

Microsoft Edge (dev)

Introducing the new Microsoft Edge web browser. It’s time to expect more. More privacy. More control. More productivity. More value.

Discord is a free all in one messaging, voice, and video client thats available on your computer and phone.
      Whether you’re part of a school club, gaming group, worldwide art community, or just a handful of friends that want to spend time together, Discord makes it easy to talk every day and hang out more often.
      
        Talk to your friends with messaging, voice, and video in a "Direct Message" (1 other person), group chat (up to 10 people), or a multi-channel server (practically infinite maximum members).
        Discord servers are organized into topic-based channels where you can collaborate, share, and just talk about your day without clogging up a group chat.
        Grab a seat in a voice channel when you’re free. Friends in your server can see you’re around and instantly pop in to talk without having to call.
        Get a community of any size running with moderation tools and custom member access. Give members special powers, set up private channels, and more.
        Low-latency voice and video feels like you’re in the same room. Wave hello over video, watch friends stream their games, or gather up and have a drawing session with screen share.
        Available on Linux, macOS, Windows, iOS, Android, and your web browser.
      
      Discord is written in Javascript, React, Elixir, and Rust. The desktop application uses the electron framework.
      The flatpak version runs in a sandbox to provide better safety and privacy for users. However, this sandboxing prevents the following features from working out of the box: Game Activity, Unrestricted File Access, Rich Presence. Check the README in the Github repo for details.
    

Discord

Block editing: SiYuan, the only important core concept is Content block. The content block
      can be formed through the formatting format, so that we can organize our thoughts and
      knowledge at the block-level granularity, and it is also convenient for reading and outputting
      long content.
      Privacy security Encrypted cloud, worry-free privacy: Data is stored entirely on the device
      under the control of the user. Even if there is no network, even if the cloud service is down,
      it can still be used locally without restrictions. No offline, no notes.
      Bidirectional link: Documentation page are also blocks, reducing mental load. All content
      exists on a block basis, and documentation pages are no exception. Blocks can be converted to
      each other, splitting, reorganizing and moving do not affect existing links.
      List outline: Sort out the main points, logically layered
      Multi-device data sync: Keep data complete and consistent
    

SiYuan

A privacy-first personal knowledge management system, support fine-grained block-level reference and Markdown WYSIWYG


            NOTE: This wrapper is not verified by, affiliated with, or supported by Mullvad VPN AB.
        
      
            The Mullvad Browser is a privacy-focused web browser developed in a collaboration
            between Mullvad VPN and the Tor Project. It’s designed to minimize tracking and
            fingerprinting. You could say it’s a Tor Browser to use without the Tor Network.
            Instead, you can use it with a trustworthy VPN. The idea is to provide one more
            alternative – beside the Tor Network – to browse the internet with more privacy. To get
            as many people as possible to fight the big data gathering of today. To free the
            internet from mass surveillance.
        
    

Mullvad Browser

Thunderbird is a free and open source email, newsfeed, chat, and calendaring client, that’s easy to set up and customize. One of the core principles of Thunderbird is the use and promotion of open standards - this focus is a rejection of our world of closed platforms and services that can’t communicate with each other. We want our users to have freedom and choice in how they communicate.Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.

Thunderbird

Thunderbird is a free and open source email, newsfeed, chat, and calendaring client

Geopard is a browser for the Gemini protocol, that is, a lighter alternative to the web.
       Use Geopard to browse the space and reach hundreds of Gemini capsules! Read stories, download files, play games...
      Features:
      
        
        Colors!
        The browser will have a different color for each domain you visit.
      
        
        Fast (async core + caching):
        Streams content by default. That means you can open pages even when you have
        connection speeds of Kb/s.
        It also caches pages in the history, so you can go back/forward in an instant
      
        
        Can download binary files:
        The download will start as soon as you open the corresponding link.
        You can always cancel it by opening another page.
      
      
    

Geopard

KAlgebra is an application that can replace your graphing calculator. It has numerical, logical, symbolic, and analysis features that let you calculate mathematical expressions on the console and graphically plot the results in 2D or 3D. KAlgebra is rooted in the Mathematical Markup Language (MathML); however, one does not need to know MathML to use KAlgebra.
    

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