KWordQuiz is a general purpose flash card program. It can be used for vocabulary learning and many other subjects. It provides an editor and five different flashcard quiz modes. It uses the KVTML file format and contributed files can be downloaded from within the application.

KWordQuiz

KUIViewer is a tool to display and check user interface (.ui) files created in Qt Designer.

KUIViewer

Konquest is a version of Gnu-Lactic Konquest. Players conquer other planets by sending ships to them. The goal is to build an interstellar empire and ultimately conquer all other player's planets.

Konquest

KSquares is a game modeled after the well known pen and paper based game of Dots and Boxes. Each player takes it in turns to draw a line between two adjacent dots on the board. The objective is to complete more squares than your opponents.

KSquares

Lieutenant Skat (from German "Offiziersskat") is a fun and engaging card game for two players, where the second player is either live opponent, or a built in artificial intelligence.

LSkat

Klickety is a strategy game by KDE, an adaption of the Clickomania game.

Klickety

Klickety is an adaptation of the "clickomania" game

KGraphViewer is a Graphviz DOT graph file viewer, aimed to replace the other outdated Graphviz tools.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:ZoomingThreaded loading of several graphs in tabsSaving of the recent files listManual reload of filesDisplay of a bird-eye view of the graphMoving of the graph by draggingFull featured printingPerfect drawing of all graphviz example graphsAutomatically choose dot for directed graphs and neato for undirectedPossibility to use an arbitrary layout algorithm as soon as it produces xdot formatAutomatic reloading with user confirmation of (externally) modified files (configurable)Open new instances as new tabs in the old one (configurable)

KGraphViewer

How will you get away from the killer robots bent on destruction? Figure it out in this simple, entertaining game. You may be outnumbered by an endless stream of robots, but with your intelligence and handy teleportation device you can defeat them. Outsmart all of the killer robots to win and live to tell the tale!

Killbots

Rocs is a Graph Theory IDE for designing and analyzing graph algorithms. It provides an easy to use visual editor for creating graphs, a scripting engine to execute algorithms, and several helper tools for simulations and experiments. Algorithms are specified in JavaScript.

Rocs

Kst is the fastest real-time large-dataset viewing and plotting tool available and has built-in data analysis functionality.

Interactive Data Visualization and Analysis

Kubrick is a game based on the Rubik's Cube™ puzzle. The cube sizes range from 2x2x2 up to 6x6x6, or you can play with irregular "bricks" such as 5x3x2 or "mats" such as 6x4x1 or 2x2x1. The game has a selection of puzzles at several levels of difficulty, as well as demos of pretty patterns and solution moves, or you can make up your own puzzles.

Kubrick

Telly Skout is a convergent Kirigami TV guide. It shows the TV program for your favorite channels from TV Spielfilm or an XMLTV file.

Telly Skout

Kollision is a casual game where you need to throw your ball and avoid the others balls on the table as long as possible.

Kollision

The goal is to reveal the hidden pattern in the board by coloring or leaving blank the cells in a grid according to numbers given at the side of the grid. This is a single player game.

Picmi

KBlackbox is a game of hide and seek played on a grid of boxes where the computer has hidden several balls. The position of the hidden balls can be deduced by shooting beams into the box.

KBlackbox

KLettres is an application specially designed to help the user to learn an alphabet in a new language and then to learn to read simple syllables. The user can be a young child aged from two and a half or an adult that wants to learn the basics of a foreign language. There are currently 25 languages available: Arabian, Brazilian Portuguese, Czech, Danish, Dutch, British English, US English, Phonics English, French, German, Hebrew, Hungarian, Italian, Kannada, Low Saxon, Malayalam, Norwegian Bokmål, Punjabi, Luganda, Romanized Hindi, Russian, Spanish, Slovak, Telugu and Ukrainian. KLettres provides a special user interface and themes for younger users.

KLettres

KXStitch is a program that lets you create cross stitch patterns and charts. Patterns can be created from scratch on a user defined size of grid, which can be enlarged or reduced in size as your pattern progresses. Alternatively you can import images from many graphics file formats which will allow you to reduce the number of colors and to restrict the conversion to full stitches or optionally use fractional stitches. You may also use images as backgrounds allowing you to trace over them. These imported images can then be modified using the supplied tools to produce your final design.Features:Creation of new patternsEditing of existing patterns - KXStitch is also capable of reading PC Stitch filesUse of various floss pallets, DMC, Anchor, MadeiraCreation of custom palettes and colorsUse of standard stitchesFree use of backstitchingImporting of various picture formatsPrinting of patterns and floss keys

KXStitch

Kolor Lines is a simple but highly addictive one player game.The player has to move the colored balls around the game board, gathering them into the lines of the same color by five. Once the line is complete it is removed from the board, therefore freeing precious space. In the same time the new balls keep arriving by three after each move, filling up the game board.

Kolor Lines

Massif Visualizer is a tool that - who'd guess that - visualizes massif data. You run your application in Valgrind with --tool=massif and then open the generated massif.out.%pid in the visualizer. Gzip or Bzip2 compressed massif files can also be opened transparently.Features:Interactive chart of memory consumption over timeDetailed snapshot analysis with callgraph visualization (requires KGraphViewer)Summary of peak memory consumption of all allocating functions

Massif-Visualizer

A visualizer for Valgrind Massif data files

Choqok is a micro-blogging client which supports Twitter.com, GNU Social, Pump.io and Friendica services.Features:Supporting Twitter.com micro-blogging serviceSupporting self hosted Pump.io servicesSupporting self hosted GNU social serviceSupporting self hosted Friendica servicesSupporting User + His/Her Friends time-linesSupporting @Reply time-linesSupport for send and receive direct messagesSupport medium upload using external services (Flickr, Imageshack,...)Supporting Multiple Accounts simultaneouslySupporting search APIs for all servicesKWallet integrationAbility to make a quick tweet with global shortcuts (Ctrl+Meta+T)Ability to notify user about new statuses text, with KNotification or LibnotifySupport for shortening urls with more than 30 characters (shorten on paste)Support for configuring status lists appearance

Choqok

YUView is a Qt based YUV player with an advanced analytic toolset for Linux, Windows and Mac. At its core, YUView is a powerful YUV player that can open and show almost any YUV format. With its simple interface it is easy to navigate through sequences and inspect details and a side by side and comparison view can help to spot differences between two sequences. A sophisticated statistics renderer can overlay the video with supplemental information. More features include playlists, support for visual tests and presentations, support of compressed formats (through libde265 and FFmpeg), support for raw RGB files as well as image files and image sequences, and many more.

YUView

QT based, cross-platform YUV player with an advanced analytic toolset

KJumpingCube is a simple dice driven tactical game. The playing area consists of squares containing points. Players move by clicking on either a vacant square, or on own square.

KJumpingCube

Ruqola is a client for Rocket.Chat.It supports RC features:Direct Messagegroup channelchannelSupport autotranslate (when RC has it)Configuring room notificationConfiguring roomThread message supportDiscussion roomTeams room supportConfiguring own accountRegistering new accountSupport multi accountSearch message in roomShow mention/attachment/Pinned message/start messageSupport emojiVideo supportConfigure administrator support (add/remove roles, add/remove users, add/remove permissions, configure rooms etc.)Support OTR (in progress)support gif imageAdd support for uploading attachment filesShow unread message informationAllow to block/unblock usersAuto-awayTwo-factor authentication via TOTPTwo-factor authentication via emailAdministrator support (Server Info, Rooms, Custom User Status, Custom Sounds, Custom Emoji, Users, Invites, View Log, Permissions, Roles, Oauth), Administrator settings (Message, Account, Retention Policy, File Upload, Encryption)Export MessagesVideo ConferenceExtra features:Allow to reply directly to message from notification (kde features)Dnd image from ruqola to website or local folderStore message in local database so we can search in offlineMark All Channels are readAdd notification historyNew RocketChat Server Information SupportManage Device (RC &gt;= 5.0)Manage Personal Access TokenAdd support for local translationAdd support for text auto-correction

Ruqola

Kongress is a companion application for conferences made by KDE

Apps in the KDE group