<p>
   Okular is a universal document viewer developed by KDE. Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, *BSD, etc.
  </p>
      <p>Features:</p>
      <ul>
        <li>Supported Formats: PDF, PS, Tiff, CHM, DjVu, Images, DVI, XPS, Fiction Book, Comic Book, Plucker, EPub, Fax</li>
        <li>Sidebar with contents, thumbnails, reviews and bookmarks</li>
        <li>Annotations support</li>
      </ul>
    

Okular

Kdenlive is a non linear video editor. It is based on the MLT framework and accepts many audio and video formats, allows you to add effects, transitions and render into the format of your choice.
      Features:
      
        Intuitive multitrack interface.
        Many effects and transitions.
        Color scopes
      
    

Kdenlive

Krita is the full-featured digital art studio.It is perfect for sketching and painting, and presents an end–to–end solution for creating digital painting files from scratch by masters.Krita is a great choice for creating concept art, comics, textures for rendering and matte paintings. Krita supports many colorspaces like RGB and CMYK at 8 and 16 bits integer channels, as well as 16 and 32 bits floating point channels.Have fun painting with the advanced brush engines, amazing filters and many handy features that make Krita enormously productive.

Krita

ISO Image Writer

Dolphin is KDE's file manager that lets you navigate and browse the contents of your hard drives, USB sticks, SD cards, and more. Creating, moving, or deleting files and folders is simple and fast.Dolphin contains plenty of productivity features that will save you time. The multiple tabs and split view features allow navigating multiple folders at the same time, and you can easily drag and drop files between views to move or copy them. Dolphin's right-click menu provides with many quick actions that let you compress, share, and duplicate files, among many other things. You can also add your own custom actions.Dolphin is very lightweight, but at the same time, you can adapt it to your specific needs. This means that you can carry out your file management exactly the way you want to. Dolphin supports three different view modes: a classic grid view of all the files, a more detailed view, and a tree view. You can also configure most of Dolphin's behavior.Dolphin can display files and folders from many Internet cloud services and other remote machines as if they were right there on your desktop.Dolphin also comes with an integrated terminal that allows you to run commands on the current folder. You can extend the capabilities of Dolphin even further with powerful plugins to adapt it to your workflow. You can use the git integration plugin to interact with git repositories, or the Nextcloud plugin to synchronize your files online, and much more.

Dolphin

Filelight is an application to visualize the disk usage on your computer by showing folders using an easy-to-understand view of concentric rings. Filelight makes it simple to free up space!Features:Scan local, remote, or removable disksView detailed information about files and foldersDelete files or folders that are taking up too much spaceIntegration into the Dolphin, Konqueror, and Krusader file managersConfigurable color schemes

Filelight

SMPlayer is a free media player with built-in codecs that can play virtually all video and audio formats. It doesn't need any external codecs. Just install SMPlayer and you'll be able to play all formats without the hassle to find and install codec packs.It provides many interesting features like the possibility to play YouTube videos, search and download subtitles or cast to external devices like smartphones and tablets.One of the main features is the ability to remember the settings of previously played files, so when you play them later they will be resumed at the same point and with the same settings.

SMPlayer


      Ark is a graphical file compression/decompression utility with support for multiple formats,
      including tar, gzip, bzip2, rar and zip, as well as CD-ROM images.
      Ark can be used to browse, extract, create, and modify archives.
    
      Features:
      
        Several formats supported: gzip, bzip2, zip, rar, 7z and more
        Preview file contents without extracting files
      
    


      KolourPaint is a simple painting program to quickly create raster images.
      It is useful as a touch-up tool and simple image editing tasks.
    
      Features:
      
        Support for drawing various shapes - lines, rectangles, rounded rectangles, ovals and polygons
        Curves, lines and text
        Colour picker
        Selections
        Rotation, monochrome and other advanced effects
      
    

KolourPaint

A simple music player that should be easy to use. It does not require any configuration before one can use it.

Elisa

Beautiful no-nonsense music player with online radio support

KPat (aka KPatience) is a relaxing card sorting game. To win the game a player has to arrange a single deck of cards in certain order amongst each other.
    

KPatience

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 torrentsGlobal and per torrent speed limitsPreviewing of certain file types, build in (video and audio)Importing of partially or fully downloaded filesFile prioritization for multi-file torrentsSelective downloading for multi-file torrentsKick/ban peers with an additional IP Filter dialog for list/edit purposesUDP tracker supportSupport for private trackers and torrentsSupport for µTorrent's peer exchangeSupport for protocol encryption (compatible with Azureus)Support for creating trackerless torrentsSupport for distributed hash tables (DHT, the Mainline version)Support for UPnP to automatically forward ports on a LAN with dynamic assigned hostsSupport for webseedsSystem tray integrationTracker authentication supportConnection through a proxyIn addition to the built-in functionalities, there are some plugins available for KTorrent.

KTorrent

AudioTube can search YouTube Music, list albums and artists, play automatically generated playlists, albums and allows to put your own playlist together.

AudioTube

This Indicator is written to make KDE Connect usable in desktops without KDE Plasma, such as Ubuntu Unity and Pantheon. It started as an AppIndicator, but you can send files and URLs easily through KDE Connect with kdeconnect-send.This flatpak don't come with KDE Connect inside. Make sure that you have KDE Connect installed on system or in another flatpak container, otherwise it's will not work.Features:Indicator in the panel which show your devices, with its name, status, and battery;Menu to request for pairing and unpairing;Menu to start SFTP and open a file browser;Menu to send files;Menu to send SMS;Menu to ring and find your phone;From the device name menu you can get encryption information;From the device status menu item you can open KDE Connect settings;A small program, kdeconnect-send to help sending files and choosing device;A .contractor file, so you can send files from any of elementary OS's applications;A .desktop file, so you can send files from file manager like Thunar;Python extensions for Nautilus, Nemo and Caja, you can send files directly from them;Custom device icons for Ubuntu, Gnome and Elementary OS.Any desktop that supports KStatusNotifierItem/AppIndicator icons should just work: – Budgie, Cinnamon, LXDE, Pantheon, Unity, and many others. The only major oddball is Gnome where you need an additional Gnome Shell extension for proper support. After changes on KDE Connect this will work only in KDE Connect 1.0.0 and up which can be problematic on Linux distributions released before August 2016.

Indicator-KDEConnect

digiKam is an advanced open-source digital photo management application that runs on Linux, Windows, and MacOS. The application provides a comprehensive set of tools for importing, managing, editing, and sharing photos and raw files. You can use digiKam’s import capabilities to easily transfer photos, raw files, and videos directly from your camera and external storage devices (SD cards, USB disks, etc.). The application allows you to configure import settings and rules that process and organize imported items on-the-fly.digiKam organizes photos, raw files, and videos into albums. But the application also features powerful tagging tools that allow you to assign tags, ratings, and labels to photos and raw files. You can then use filtering functionality to quickly find items that match specific criteria.In addition to filtering functionality, digiKam features powerful searching capabilities that let you search the photo library by a wide range of criteria. You can search photos by tags, labels, rating, data, location, and even specific EXIF, IPTC, or XMP metadata. You can also combine several criteria for more advanced searches. digiKam rely on Exiv2 library to handle metadata tag contents from files to populate the photo library.digiKam can handle raw files, and the application uses the excellent LibRaw library for decoding raw files. The library is actively maintained and regularly updated to include support for the latest camera models. digiKam can also manage video files for cataloging purpose, and the application uses the couple FFmpeg and QtAv libraries to extract metadata and play media.The application provides a comprehensive set of editing tools. This includes basic tools for adjusting colors, cropping, and sharpening as well as advanced tools for, curves adjustment, panorama stitching, and much more. A special tool based on Lensfun library permit to apply lens corrections automatically on images.Extended functionality in digiKam is implemented via a set of tools based of plugins mechanism (named DPlugins for digiKam Plugins). Plugins can be written to import and export contents to remote web-services, add new features to edit image, and batch process photo.Features:Organization of photos in albums and sub-albums (with tags and comments support)Support for Exif, Iptc, Xmp, MakernotesSQLite or Mysql powered storage for the album contents and its metadata with advanced search toolsSupport for filtering and sorting albumsImport from more than 1100 digital camera devicesSupport for more than 900 RAW format picturesLight Table to compare photo side by sideExtended features using extra toolsShare your photos using HTML or publishing them to remote web servicesImage editor included with advanced tools to fix photo quickly

digiKam

A universal clock application for desktop and mobile.It contains alarm, timer, stopwatch and timezone functionalities. Alarms and timers are able to wake the device from suspend on Plasma.

Clock

Set alarms and timers, use a stopwatch, and manage world clocks

A convergent weather application for Plasma. Has flat and dynamic/animated views for showing forecasts and other information.

Weather

View real-time weather forecasts and other information

Falkon is a new and very fast Qt web browser. It aims to be a lightweight web browser available through all major platforms. This project has been originally started only for educational purposes. But from its start, Falkon has grown into a feature-rich browser.Falkon has all standard functions you expect from a web browser. It includes bookmarks, history (both also in sidebar) and tabs. Above that, you can manage RSS feeds with an included RSS reader, block ads with a built-in AdBlock plugin, block Flash content with Click2Flash and edit the local CA Certificates database with an SSL manager.

Falkon


      Gwenview is a fast and easy to use image viewer by KDE, ideal for browsing and displaying a collection of images.
    
      Features:
      
        Supports simple image manipulations: rotate, mirror, flip, and resize
        Supports basic file management actions such as copy, move, delete, and others
        Functions both as a standalone application and an embedded viewer in the Konqueror web browser
      
    

Gwenview

KCalc has everything you would expect from a scientific calculator, plus:Trigonometric functions, logic operations and statistical calculationsA results stack which enables convenient recall of previous calculation resultsPrecision is user-definableThe display allows cut and paste of numbersThe display colors and font are configurable, aiding usabilityThe use of key-bindings make it easy to use without a pointing device

KCalc

CopyQ is advanced clipboard manager with editing and scripting features.CopyQ monitors system clipboard and saves its content in customized tabs. Saved clipboard can be later copied and pasted directly into any application.

CopyQ

GCompris is a high quality educational software suite, including a large number of activities for children aged 2 to 10.
      Some of the activities are game orientated, but nonetheless
    still educational.
      Below you can find a list of categories with some of the
    activities available in that category.
      
        computer discovery: keyboard, mouse, different mouse gestures, ...
        arithmetic: table memory, enumeration, mirror image, balance
    the scale, change giving, ...
        science: the canal lock, color mixing, gravity concept, ...
        games: memory, connect 4, tic tac toe, sudoku, hanoi tower, ...
        reading: reading practice, ...
        other: learn to tell time, the braille system, maze, music
    instruments, ...
      
      Currently GCompris offers in excess of 100 activities and more
    are being developed. GCompris is free software, that means that
    you can adapt it to your own needs, improve it and, most
    importantly, share it with children everywhere.
    

GCompris

Multi-Activity Educational game for children 2 to 10

KRDC is a client application that allows you to view or even control the desktop session on another machine that is running a compatible server. VNC and RDP is supported.
    

KRDC

Connect with RDP or VNC to another computer

An ebook reader and library management app supporting ".epub" files. Arianna discovers your books automatically, and sorts them by categories, genres and authors.

Arianna

PlasmaTube allows you to watch YouTube videos on your phone or desktop using a elegant user interface integrated with the rest of Plasma.

PlasmaTube


      KFind can be used as a standalone search tool, launched by KRunner or from your menu. It is also integrated into Konqueror
      as "Find File" in the "Tools" menu. It allows you to find files by name, type or content.
    
    

KFind

KStars is freely licensed, open source, cross-platform Astronomy Software by KDE.It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time. The display includes up to 100 million stars, 13,000 deep-sky objects,all 8 planets, the Sun and Moon, and thousands of comets, asteroids, supernovae, and satellites.For students and teachers, it supports adjustable simulation speeds in order to view phenomena that happen over long timescales, the KStars Astrocalculator to predict conjunctions, and many common astronomical calculations.For the amateur astronomer, it provides an observation planner, a sky calendar tool, and an FOV editor to calculate field of view of equipment and display them. Find out interesting objects in the "What's up Tonight" tool, plot altitude vs. time graphs for any object, print high-quality sky charts, and gain access to lots of information and resources to help you explore the universe!Included with KStars is Ekos astrophotography suite, a complete astrophotography solution that can control all INDI devices including numerous telescopes, CCDs, DSLRs, focusers, filters, and a lot more. Ekos supports highly accurate tracking using online and offline astrometry solver, autofocus and autoguiding capabilities, and capture of single or multiple images using the powerful built in sequence manager.Astronomical Catalogs:Default catalog consisting of stars to magnitude 8Extra catalogs consisting of 100 million stars to magnitude 16Downloadable catalogs including Messier Images, Abell Planetary Nebulae, Sharpless Catalog, Lynds Dark Nebula CatalogCorrections for precession, nutation and atmospheric refractionTools for retrieval of data from online databases

KStars


      KMahjongg is a fun board game created after the famous oriental game of Mahjong (from Chinese 麻將).
    
    

KMahjongg

KWrite is a text editor by KDE, based on the Kate's editor component.Features:Syntax highlighting according to the file typeWord completionAuto-indentationPlugin supportVi input mode

KWrite

Kamoso is a simple and friendly program to use your camera. Use it to take pictures and make videos to share.
    

Kamoso

Use your webcam to take pictures and make videos

Kasts is a convergent podcast application that looks good on desktop and mobile.Its main features are:Episode management through play queueSync playback positions with other clients through gpodder.net or gpodder-nextcloudVariable playback speedSearch for podcastsFull system integration: e.g. inhibit system suspend while listening

Kasts

Kaffeine is a media player. What makes it different from the others is its excellent support of digital TV (DVB). Kaffeine has user-friendly interface, so that even first time users can start immediately playing their movies: from DVD (including DVD menus, titles, chapters, etc.), VCD, or a file.

Kaffeine

With Kid3, an audio tag editor, you can edit tags in MP3, Ogg/Vorbis, DSF, FLAC, Opus, MPC, APE, MP4/AAC, MP2, Speex, TrueAudio, WavPack, WMA, WAV, AIFF and tracker files.All frames in the ID3 tags of MP3 files can be edited, and it is possible to convert between ID3v1.1, ID3v2.3 and ID3v2.4. Synchronized lyrics can be edited, imported and exported to LRC Karaoke files.The tags of multiple files can be set together. It is possible to generate tags from file names or the contents of other tag fields and to generate file names from tags and rename folders from tags. Automatic case conversion and string replacement help to keep tags consistent.Album data can be imported from gnudb.org, MusicBrainz, Discogs, Amazon; automatic batch import is available for multiple folders. It is also possible to export data and generate play lists.

Kid3

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

KDevelop is a Free and Open Source integrated development environment (IDE).
      It provides editing, navigation and debugging features for several programming languages, as well as integration with multiple build systems and version-control systems, using a plugin-based architecture.
      KDevelop has parser backends for C, C++ and Javascript/QML, with further external plugins supporting e.g. PHP or Python.
    

KDevelop

Featureful, plugin-extensible IDE for C/C++ and other programming languages

KTouch is a typewriter trainer for learning to touch type. It provides you with text to train on and adjusts to different levels depending on how good you are. It displays your keyboard and indicates which key to press next and which is the correct finger to use. You learn typing with all fingers, step by step, without having to look down at the keyboard to find your keys. It is convenient for all ages and the perfect typing tutor for schools, universities, and personal use. KTouch ships with dozens of different courses in many languages and a comfortable course editor. Different keyboard layouts are supported and new user-defined layouts can be created. During training, KTouch collects comprehensive statistical information to help you or your teacher to analyze your progress.

KTouch

KMPlayer is a simple frontend for MPlayer/FFMpeg/Phonon.Some features:play DVD/VCD movies (from file or url and from a video device)embed inside konqueror (movie is played inside konqueror)embed inside khtml (movie playback inside a html page)Movie recording using mencoder (part of the mplayer package)No video during recording, but you can always open a new window and play itBroadcasting, http streaming, using ffserver/ffmpegFor TV sources, you need v4lctl (part of the xawtv package)

KMPlayer

Tokodon is a Mastodon client. It allows you to interact with the Fediverse community.

Tokodon

Kalzium is a program that shows you the Periodic Table of Elements. You can use Kalzium to search for information about the elements or to learn facts about the periodic table. It provides an overview of the important data (like melting points, electron affinity, electron negativity, electron configuration, radii, mass, ionisation energy), an isotope table, and different colored views of the periodic table (separation of the different blocks, year simulator, temperature simulator). It contains tools to visualize the spectral lines of each element, a molecular weight calculator, a 3D molecule editor, and an equation solver for stoichiometric problems.
    

Kalzium

KWalletManager is a tool to manage the passwords on your system. By using the Frameworks wallet subsystem it not only allows you to keep your own secrets but also to access and manage the passwords of every application that integrates with the wallet.

KWalletManager


     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

Marble is a virtual globe and world atlas — your swiss army knife for maps that you can use to learn more about the Earth and other planets.Explore the neighborhood with Marble's rich set of city and street level maps. Search for addresses and places of interest. Marble takes care of querying various search backends and presents their results in a unified view. Calculate pedestrian, bike and motorcar routes with ease — online and offline, with an arbitrary number of via points.Start exploring the world. View clouds and sun shadow, follow satellites and space stations and display their orbits, all updated in real-time. Travel back in time and learn about historic views of our planet using maps from past centuries. Earth is not enough? Marble also offers maps of the moon and other planets.

Marble

Okteta is a simple editor for the raw data of files.
      Features:
      
        Values and characters shown either in two columns (the traditional display in hex editors) or in rows with the value on top of the character
        Editing and navigating similar to a text editor
        Customizable data views, with loadable and storable profiles
        Tools dockable on all sides or floating
        Numerical encodings: Hexadecimal, Decimal, Octal, Binary
        Character encodings: All 8-bit encodings as supplied by Qt, EBCDIC
        Fast data rendering on screen
        Multiple open files
        Undo/redo support
        Structures tool for analyzing and editing based on user-creatable structure definitions
        And more...
      
    

Okteta

Krename is a very powerful batch file renamer which can rename a list of files based on a set of expressions. It can copy/move the files to another directory or simply rename the input files. Krename supports many conversion operations.

Krename

Handle your email, calendar, contacts and other personal data with Kontact. Kontact groups everything together in one place and helps you manage your communications, organize your day and work with your colleagues.Kontact unifies several personal information management applications into a single window to give you the best possible experience and boost your productivity. With Kontact you can use all the tools of our powerful suite in one place. Unlike proprietary web applications we value your privacy and support open standards, which is why Kontact gives you full control over your data. You can of course also access your data offline if you want to.Kontact consists of several well-integrated components:KMail - a powerful and feature-rich email client with support for a wide range of email providers.KOrganizer - a calendar and scheduling component of Kontact which is able to work with NextCloud, Kolab, Google Calendar and other calendaring services.KAddressBook - an easy to use contact management tool that can synchronize contacts with many popular services.Akregator - a news reader with powerful search and archiving functionality.KNotes - a simple program that lets you write the computer equivalent of sticky notes.

Kontact

Handle all your emails, calendars, contacts and more within a single window

Akregator is a news feed reader. It enables you to follow news sites, blogs and other RSS/Atom-enabled websites without the need to manually check for updates using a web browser. Akregator is designed to be both easy to use and to be powerful enough to read hundreds of news sources conveniently. It comes with a fast search, advanced archiving functionality and an internal browser for easy news reading.

Akregator

Subtitle Composer is an open source text-based subtitle editor that supports basic and advanced editing operations.FeaturesOpen/Save Text Subtitle Formats - SubRip/SRT, MicroDVD, SSA/ASS, MPlayer, TMPlayer and YouTube captionsOpen/OCR Graphics Subtitle Formats - VobSub (.idx/.sub/.rar), BluRay/PGS (*.sup), formats supported by ffmpeg (DVD/Vob, DVB, XSUB, HDMV-PGS)Demux Graphics/Text Subtitle Stream from video file - SRT, SSA/ASS, MOV text, MicroDVD, DVD/Vob, DVB, XSUB, HDMV-PGSSpeech recognition from audio/video file using PocketSphinxSmart language/text encoding** detectionLive preview of subtitles in integrated video player w/ audio stream selectionPreview/editing of subtitles on graphical audio waveform w/ audio stream selectionSync by dragging several anchors/graftpoints and stretching timelineTime shifting and scaling, lines duration re-calculation, framerate conversion, etc.Joining and splitting of subtitle filesSide by side subtitle translationsText styles (italic, bold, underline, stroke, color)Spell checkingDetection of timing errors in subtitlesScripting (JavaScript, Python, Ruby and other languages supported by Kross).

Subtitle Composer

Video subtitle editor that supports basic and advanced editing operations

Pix is an image gallery and image viewer. Pix can be used to open images with other applications like an image editor, add tags to the files, add annotations to pictures, rotate and share them.

Index allows you to navigate your computer and preview multimedia files.
    

Index


      KNights is a chess game. As a player, your goal is to defeat your opponent by checkmating their king.
    
      Features:
      
        Local play between two players on the same computer
        Play against any computer program that supports the XBoard protocol
        Play on the Free Internet Chess Server (FICS)
        Watching two computer engines play against each other
        Support for legal move checking
        Markers for possible moves, opponent’s last move and sources of check
        Board borders and site notations
        Complete time control, with Plasma-styled clocks
        Several themes, with the possibility of downloading new ones from within the program
        Animated moves (configurable)
        Views for playing on a chess server, including a seek graph, text console, and chat widget
        Option to undo and redo moves
        Graphic interface for making and receiving offers from remote players
        Support for the UCI protocol (used by Stockfish, Chessbase, and many others)
        Support for saving and loading Portable game notation (PGN) files
        Use of Jovie, the KDE text-to-speak program, to speak opponent’s moves
        Ability to control the program via a D-Bus interface
      
    

KNights

KDiff3 is a file and folder diff and merge tool whichcompares and merges two or three text input files or folders,shows the differences line by line and character by character(!),provides an automatic merge-facility,has an editor for comfortable solving of merge-conflicts,provides network transparency via KIO,has options to highlight or hide changes in white-space or comments,supports Unicode, UTF-8 and other file encodings,prints differences,supports version control keyword and history merging.

KDiff3

A file and folder comparison and merge tool

KMines is a classic Minesweeper game. The idea is to uncover all the squares without blowing up any mines. When a mine is blown up, the game is over.
    

KMines

Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.Features:Supported formats: XMISeveral type of diagrams supported: use case, class, sequence, communication, state, activity, component, deployment, entity relationship

Umbrello

KColorChooser is a color palette tool, used to mix colors and create custom color palettes.  Using the dropper, it can obtain the color of any pixel on the screen. A number of common color palettes are included, such as the standard Web colors and the Oxygen color scheme.

KColorChooser


      LabPlot is a FREE, open source and cross-platform Data Visualization and Analysis software accessible to everyone.
    
      
      LabPlot provides an easy way to create, manage and edit plots. It allows you to produce plots based on data from a spreadsheet or on data imported from external files. Plots can be exported to several pixmap and vector graphic formats.
    
    

LabPlot

Interactive Data Visualization and Analysis

The objective of KBreakOut is to destroy as many bricks as possible without losing the ball.The player is presented with a game field containing a number of bricks. A ball travels across the screen, bouncing off the top and side walls. When a brick is hit, the ball bounces away and the brick is destroyed. The player loses a life when the ball touches the bottom of the field. To prevent this from happening, the player has to use a movable bar to bounce the ball upward, situated at the bottom of the window. The purpose of the game is to progress through the levels destroying all bricks present in each, and trying to get a highscore.

KBreakOut

Koko

Tellico is an application for organizing your collections. It provides default templates for books, bibliographies, videos, music, video games, coins, stamps, trading cards, comic books, and wines. It allows you to enter your collection in a catalogue database, saving many different properties like title, author, etc.Features:Supports default collections of books, bibliographic entries, videos, music, video games, comic books, coins, stamps, trading cards, wines, board games, and file catalogsSupports user-defined custom collectionsSupports any number of user-defined fields, of several different types: text, paragraph, list, checkbox, number, URL, date, images, and combinationsHandles entries with multiple authors, genres, keywords, etcAutomatically formats titles and namesSupports collection searching and view filteringSorts and groups collection by various propertiesAllows customizable entry templates through XSLTImports MODS, Bibtex, RIS, CSV, PDF metadata, and many other formatsExports to Bibtex, ONIX, CSV, HTML, and other formatsImports information directly from Amazon.com, IMDb, z39.50 servers, PubMed, SRU servers, CrossRef.org, various other websites, and from external scriptsImports CDDB data for cataloging audio CDsScans and imports audio file collections, such as mp3 or ogg

Tellico

Kapman is a clone of the well known game Pac-Man.You must run through the maze to eat all pills without being captured by a ghost. By eating an energizer, Kapman gets the ability to eat ghosts for a few seconds. When a stage is cleared of pills and energizer the player is taken to the next stage with slightly increased game speed.

Kapman

Skrooge is a personal finance manager powered by KDE that aims to be simple and intuitive. Skrooge allows you to keep track of your expenses and income, categorize them, and build reports of them.Features:QIF, CSV, SKROOGE, KMYMONEY import/exportMicrosoft Money, OFX, QFX, MT940, GNUCASH, GRISBI, HOMEBANK and MONEY MANAGER EX importAdvanced Graphical ReportsMultiple tabs to help you organize your workInfinite undo/redo (even after the file was closed !)Instant filtering on operations and reportsInfinite category levelsMass update of operationsScheduled operationsTrack refund of your expensesAutomatically process operations based on search conditionsMultiple currenciesBudgetDashboardAdvice

Skrooge

Konversation is a user-friendly Internet Relay Chat (IRC) client by KDE. It provides easy access to standard IRC networks such as Libera, where the KDE IRC channels can be found.Features:Standard IRC featuresSSL server supportBookmarking supportEasy to use graphical user interfaceMultiple servers and channels in one single windowDCC file transferMultiple identities for different serversText decorations and colorsOnScreen Display for notificationsAutomatic UTF-8 detectionPer channel encoding supportTheme support for nick iconsHighly configurable

Konversation

KRuler is an on-screen ruler for measuring pixels. Position the 0 at your starting point and measure the precise pixel distance between the starting point and your cursor.
    

KRuler


      Naval Battle is a ship sinking game. Ships are placed on a board which
      represents the sea. Players try to hit each others ships in turns without knowing
      where they are placed. The first player to destroy all ships wins the game.
    
    

Naval Battle

Tiny Qt Music Player to keep your favorite songs at hand.

Vvave

KGeography is a geography learning tool, which allows you to learn about the political divisions of some countries (divisions, capitals of those divisions and their associated flags if there are some).
      Features:
      
        Browse the maps clicking in a map division to see its name, capital and flag
        The game tells you a map division name and you have to click on it
        The game tells you a capital and you have to guess the division it belongs to
        The game tells you a division and you have to guess its capital
        The game shows you a map division flag and you have to guess its name
        The game tells you a map division name and you have to guess its flag
        The game shows an empty map and you have to place divisions on it one by one
      
    

KGeography

KSudoku is a free version of the popular logic game Sudoku developed by the KDE community. The game is to fill a nine by nine grid with the numbers from one to nine filling the rows, columns and three by three squares without repeating a value on them.

KSudoku

Complete a numeric puzzle with the numbers from one to nine

Minuet is an application for music education. It features a set of ear training exercises regarding intervals, chords, scales and more.

Minuet

Lokalize is the localization tool for KDE software and other free and open source software. It is also a general computer-aided translation system (CAT) with which you can translate OpenDocument files (*.odt). Translate-Toolkit is used internally to extract text for translation from .odt to .xliff files and to merge translation back into .odt file.

Lokalize

Blinken is based on an electronic game released in 1978, which challenges players to remember sequences of increasing length. On the face of the device, there are 4 different color buttons, each one with their own distinctive sound. These buttons light up randomly, creating the sequence that the player must then recall. If the player is successful in remembering the sequence of lights in the correct order, they advance to the next stage, where an identical sequence with one extra step is presented. If they are incorrect, the game is lost, and the player must start again from the beginning. The goal is to get a high score - each step in the sequence is worth one point, so correct entry of a sequence of 8 lights is worth 8 points on the high score table.
    

Blinken

KBruch is a small program to practice calculating with fractions and percentages. Different exercises are provided for this purpose and you can use the learning mode to practice with fractions. The program checks the user's input and gives feedback.Features:Arithmetic exercise - in this exercise you have to solve a given fraction task. You have to enter the numerator and the denominator. This is the main exercise.Comparison exercise - in this exercise you have to compare the size of 2 given fractions, using the symbols &gt;, &lt; or =.Conversion exercise - in this exercise you have to convert a given number into a fraction.Factorization exercise - in this exercise you have to factorize a given number into its prime factors.Percentage exercise - in this exercise you have to calculate percentages.

KBruch

Kiten is a Japanese reference and study tool. It features an English to Japanese and Japanese to English dictionary, as well as a Kanji dictionary. For the Kanji dictionary there are multiple ways supported to look up characters.
    

Kiten

Bovo is a Gomoku (from Japanese 五目並べ - lit. "five points") like game for two players, where the opponents alternate in placing their respective pictogram on the game board. (Also known as: Connect Five, Five in a row, X and O, Naughts and Crosses)

Bovo


      Kolf is a miniature golf game. The game is played from an overhead view, with a
      hort bar representing the golf club. Kolf features many different types of objects,
      such water hazards, slopes, sand traps, and black holes (warps), among others.
    
      Features:
      
        Single and Multi-player (up to ten players) modes
        High scores table
        Dynamic courses
        Third-party courses
        Course editor
      
    

Kolf

KTurtle is an educational programming environment for learning how to program. It provides all programming tools from its user interface. The programming language used is TurtleScript, which is loosely based on Logo. All commands and messages are translated into the user's language. KTurtle features an intuitive syntax highlighting, simple error messages, integrated canvas to make drawings, an integrated help, slow-motion and step execution.

KTurtle

Keysmith generates tokens for your two-factor logins (2FA)Time and Hash-based OTP

Keysmith

Two-factor code generator for Plasma Mobile and Desktop

KTuberling a simple constructor game suitable for children and adults alike. The idea of the game is based around a once popular doll making concept.

Potato Guy

A simple constructor game suitable for children and adults alike

QNapi is designed to automatically download and match subtitles to a specific movie file. Unlike similar programs, QNapi queries several different subtitle databases to find the best subtitles for your movie. Also, thanks to the QT library, the program runs on various operating systems (Windows, OSX, Linux).Features:

QNapi

A software for downloading and automatic matching subtitles to movies

KHangMan is a game based on the well-known hangman game. It is aimed at children aged six and over. The game has several categories of words to play with, for example: Animals (animals words) and three difficulty categories: Easy, Medium and Hard. A word is picked at random, the letters are hidden, and you must guess the word by trying one letter after another. Each time you guess a wrong letter, part of a picture of a hangman is drawn. You must guess the word before being hanged! You have 10 tries.

KHangMan

KmPlot is a program to plot graphs of functions, their integrals or derivatives. The graphs can be colorized and the view is highly configurable, is scalable, and can be zoomed. The program features a powerful mathematical parser, different plot types (cartesian, parametric, polar, implicit, differential), and provides simple mathematical tools like for finding maximum/minimum of a function. Parametrized functions can be visualized by adjusting the variable parameter via a slider. Plots can be exported as bitmap format pictures (BMP, PNG) and can be printed.
    

KmPlot

Kronometer is a stopwatch application. It features the basic stopwatch actions (pause/resume/reset/laps), as well as the ability to save the times and resume them later. Kronometer is part of the KDE Extragear collection, within the Utils sub-module.Features:Start/pause/resume the stopwatch widgetLaps recording: you can capture the stopwatch time when you wantLap times sorting: you can easily find the shortest lap time or the longest oneReset the stopwatch widget and the lap timesTime format settings: you can choose the stopwatch granularityTimes saving and resuming: you can save the stopwatch status and resume it laterFont customization: you can choose the fonts for each of the stopwatch digitsColor customization: you can choose the color for the stopwatch digits and the stopwatch backgroundLap times export: you can export the lap times to a file using the JSON or CSV format

Kronometer

Kig is an interactive mathematics software for learning and teaching geometry. It allows to explore mathematical figures and concepts using the computer and also can serve as a drawing tool for mathematical figures. Constructions can be made with points, vectors, lines, and polygons and all elements can be modified directly by using the mouse. Kig helps teachers and students to make conjectures and to understand how to prove geometric theorems.

Cantor is a front-end to powerful mathematics and statistics packages. Cantor integrates them into the KDE Platform and provides a nice, worksheet-based, graphical user interface. It supports environments for KAlgebra, Lua, Maxima, R, Sage, Octave, Python, Scilab, and Qalculate!

Cantor

KBlocks is the classic falling blocks game. The idea is to stack the falling blocks to create horizontal lines without any gaps. When a line is completed it is removed, and more space is available in the play area. When there is not enough space for blocks to fall, the game is over.

KBlocks

Kigo is an open-source implementation of the popular Go game. Go is a strategic board game for two players. It is also known as igo (Japanese), weiqi or wei ch'i (Chinese) or baduk (Korean). Go is noted for being rich in strategic complexity despite its simple rules. The game is played by two players who alternately place black and white stones (playing pieces, now usually made of glass or plastic) on the vacant intersections of a grid of 19x19 lines (9x9 or 13x13 for easier games).

Kigo

KPhotoAlbum is an application for tagging and managing a photo collection and making it searchable.

KPhotoAlbum

Palapeli is a single-player jigsaw puzzle game. Unlike other games in that genre, you are not limited to aligning pieces on imaginary grids. The pieces are freely moveable. Also, Palapeli features real persistency, i.e. everything you do is saved on your disk immediately.Features:Create and play puzzles ranging from 4 to 10,000 piecesPiece-holders for helping solve large puzzles

Palapeli

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.

KAlgebra


      Bomber is a single player arcade game. The player is invading various cities in a plane that is decreasing in height.
    
      
      The goal of the game is to destroy all the buildings and advance to the next level. Each level gets a bit harder by increasing
      the speed of the plane and the height of the buildings.
    
    

Bomber

KDE Itinerary is a digital travel assistant with a priority on protecting your privacy.
      Features:
      
        Timeline view of a unified travel itinerary with automatic trip grouping.
        Supports train, bus and flight bookings as well as hotel, restaurant, event and rental car reservations.
        Boarding pass management.
        Supports ticket management for multi-traveler and multi-ticket bookings.
        Automatic booking data extraction from various input formats, performed locally on your device.
        Real-time delay and platform change information for trains.
        Weather forecast for destination along your trip.
        Full control over all online access.
        Selection of alternative train connections on unbound tickets or on missed connections.
        Local ground transportation navigation between elements of your itinerary.
        Train coach layout view (for some operators only).
        Train station and airport per-floor maps based on OpenStreetMap data.
        Available dock-based or free-floating rental bikes can be displayed on the train station map.
        Personal travel statistics to monitor environmental impact.
        Digital health certificate management for COVID-19 vaccination, recovery or test certificates.
      
      KDE Itinerary works best alongside KMail's itinerary extraction plug-in and KDE Connect, or Nextcloud Hub and DavDroid.
    

KDE Itinerary

Frescobaldi is an advanced text editor to edit LilyPond sheet music files. It aims to be powerful, yet lightweight and easy to use.Features:Powerful text editor with syntax highlighting and automatic completionMusic view with advanced Point &amp; ClickMidi player to proof-listen LilyPond-generated MIDI filesMidi capturing to enter musicPowerful Score Wizard to quickly setup a music scoreSnippet Manager to store and apply text snippets, templates or scriptsUse multiple versions of LilyPond, automatically selects the correct versionBuilt-in LilyPond documentation browser and built-in User GuideSmart layout-control functions like coloring specific objects in the PDFMusicXML, Midi and ABC importModern user interface with configurable colors, fonts and keyboard shortcutsTranslated into the following languages: Dutch, English, French, German, Italian, Czech, Russian, Spanish, Galician, Turkish, Polish, Brazilian Portuguese and Ukrainian.Frescobaldi is designed to run on all major operating systems (Linux, Mac OS X and MS Windows). It is named after Girolamo Frescobaldi (1583-1643), an Italian composer of keyboard music in the late Renaissance and early Baroque period.

Frescobaldi

KTrip helps you navigate in public transport. It allows you to find journeys between specified locations, departures for a specific station and shows real-time delay and disruption information.
    

KTrip

KCachegrind is a profile data visualization tool, used to determine the most time consuming parts in the execution of a program.Features:KCachegrind visualizes profiles (i.e. runtime characteristics) of applications in various ways, including call graph vizualisations and source/disassembler annotation.It can load profiles generated by the cache simulation/call tracer Calltree, a Valgrind tool. Thus, profiling does not need any preparation, can cope with shared libraries and plugin architectures, and does not influence the measuring itself.Converter scripts for OProfile, Perl, and PHP.Switching between multiple visualization layouts.Call graph can be exported as image (PNG).Simultaneous display of 2 event types in Call and Annotation View

KCachegrind

Kile is a user-friendly TeX/LaTeX editor by KDE. Kile gives you the ability to use all the functionality of LaTeX in a graphical interface and has interactive preview mechanisms to readily see the results of editing.Features:Compile, convert and view your document with one clickAuto-completion of (La)TeX commandsTemplates and wizards make starting new documents very little workEasy insertion of many standard tags and symbols and the option to define (an arbitrary number of) user defined tagsInverse and forward search: click in the DVI viewer and jump to the corresponding LaTeX line in the editor, or jump from the editor to the corresponding page in the viewerFinding chapter or sections is very easy, Kile constructs a list of all the chapter etc. in your document. You can use the list to jump to the corresponding sectionCollect documents that belong together into a projectEasy insertion of citations and references when using projectsFlexible and smart build system to compile your LaTeX documentsQuickPreview: preview a selected part of your documentEasy access to various help sourcesAdvanced editing commands

Kile


      KFourInLine is a board game for two players based on the Connect-Four game. The players try to build up a row of four pieces using different strategies.
    
    

KFourInLine

KFourInLine is a four-in-a-row game by KDE


      KsirK is a computerized version of the well known strategic board game Risk.
      The goal of the game is simply to conquer the world by attacking your neighbors with your armies.
    
      Features:
      
        Support for 1-6 human or computer (AI) players
        Multi-player gaming over a network
        You can easily create new skins with SVG graphics and the skin editor
        Hot New Stuff support. You can easily download and install new skins
      
    

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Document Viewer

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ISO Image Writer

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