Chess game

Color selector and palette editor

Collection Manager

Chat on Matrix

Grab the audio from your CD-ROMs

IRC client

Sound editor

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

A file and folder comparison and merge tool

Jigsaw puzzle game

KBreakOut is a Breakout-like game by KDE

Battle Ship Game

Falling Blocks Game

Browse the Fediverse

Keep up with your feeds

Manage passwords

Calendar application

Geography learning tool

UML Modeller

Miniature Golf

Memory Enhancement Game

Hangman Game

Chronometer

Image optimizer to reduce the size of images

Document Viewer

Browser for journald databases

Interactive Geometry

Exercise Fractions

KDE image management software

Go Board Game