KService provides a plugin framework for handling desktop services. Services can be applications or libraries. They can be bound to MIME types or handled by application specific code.

KCodecs provide a collection of methods to manipulate strings using various encodings.

It can automatically determine the charset of a string, translate XML entities, validate email addresses, and find encodings by name in a more tolerant way than QTextCodec (useful e.g. for data coming from the Internet).

Breeze provides a freedesktop.org compatible icon theme. It is the default icon theme for the KDE Plasma desktop.

Attica is a Qt library that implements the Open Collaboration Services API version 1.6.

It grants easy access to the services such as querying information about persons and contents. The library is used in KNewStuff3 as content provider. In order to integrate with KDE's Plasma Desktop, a platform plugin exists in kdebase.

The REST API is defined here: http://freedesktop.org/wiki/Specifications/open-collaboration-services/

Solid is a device integration framework. It provides a way of querying and interacting with hardware independently of the underlying operating system.

Provided are action classes that can be added to toolbars or menus, a wide range of widgets for selecting characters, fonts, colors, actions, dates and times, or MIME types, as well as platform-aware dialogs for configuration pages, message boxes, and password requests.

This is a style for QtQuickControls2 which is using QWidget's QStyle to paint the controls in order to give it a native look and feel.

bluez-qt is a Qt-style library for accessing the bluez Bluetooth stack. It is used by the KDE Bluetooth stack, BlueDevil.

This is a DAV protocol implementation with KJobs. Calendars and todos are supported, using either GroupDAV or CalDAV, and contacts are supported using GroupDAV or CardDAV.

This library provides a C++ API that determines holiday and other special events for a geographical region.

This package provides Kirigami components usable by both touch and desktop experiences.

Baloo provides file searching and indexing. It does so by maintaining an index of the contents of your files.

KItemViews includes a set of views, which can be used with item models. It includes views for categorizing lists and to add search filters to flat and hierarchical lists.

KJobWIdgets provides widgets for showing progress of asynchronous jobs.

This framework helps implement autocompletion in Qt-based applications. It provides a set of completion-ready widgets, or can be integrated it into your application's other widgets.

KCrash provides support for intercepting and handling application crashes.

Sonnet is a plugin-based spell checking library for Qt-based applications. It supports several different plugins, including HSpell, Enchant, ASpell and HUNSPELL.

KIdleTime is a singleton reporting information on idle time. It is useful not only for finding out about the current idle time of the PC, but also for getting notified upon idle time events, such as custom timeouts, or user activity.

KBounce is a single player arcade game with the elements of puzzle. It is played on a field, surrounded by wall, with two or more balls bouncing around within the walls. The object of the game is to build new walls to decrease the size of the active field.

This package is part of the KDE games module.

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. The game has unlimited undo, redo, save and reload capabilities.

This package is part of the KDE games module.

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.

This package is part of the KDE games module.

Kajongg is the ancient Chinese board game for 4 players.

If you are looking for the Mah Jongg solitaire please use the application kmahjongg.

Kajongg can be used in two different ways: Scoring a manual game where you play as always and use Kajongg for the computation of scores and for bookkeeping. Or you can use Kajongg to play against any combination of other human players or computer players.

This package is part of the KDE games module.

Konquest is the KDE 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. The game can be played with up to nine empires, commanded either by the computer or by puny earthlings.

This package is part of the KDE games module.

KShisen is a solitaire-like game played using the standard set of Mahjong tiles. Unlike Mahjong however, KShisen has only one layer of scrambled tiles

This package is part of the KDE games module.