Use the command line interface

Tea Cooker

Paint Program

Check color contrast

Screen Ruler

Diff/Patch Frontend

Learn The Alphabet

Mathematical Function Plotter

Two-factor code generator for Plasma Mobile and Desktop

Graph Calculator

Color selector and palette editor

Frontend to mathematical software

Geography learning tool

Web Browser

Find Files/Folders

View Disk Usage

Scientific calculator

Use your webcam to take pictures and make videos

Character Selector

Periodic Table of Elements

Letter Order Game

Play local music and listen to online radio

Distraction-free text editor for Markdown

Show disk usage and delete unused files

Exercise Fractions

Music Player

Breathing techniques

Craft beautiful LaTeX documents

Track your time

Write an ISO Image to a USB Disk