Classic 2D jump 'n run sidescroller with Tux

supertux-stable

Classic 2D jump 'n run sidescroller with Tux

Rekonq page

rekonq

KDE web browser based on Webkit

program to control monitor parameters (graphical interface)

gddccontrol

program to control monitor parameters (graphical interface)

DDCcontrol is a tool used to control monitor parameters, like brightness and contrast, without using the OSD (On Screen Display) and the buttons in front of the monitor.
Creating animation

gimp-gap

animation package for the GIMP

The GIMP Animation Package (GAP) is a collection of plug-ins to extend the GIMP with capabilities to edit and create animations and movies as sequences of single frames. It adds a Video menu to image windows in the GIMP.
With the menu open

yubioath-desktop

Graphical interface for displaying OATH codes with a Yubikey

The Yubico Authenticator is a graphical desktop tool for generating Open AuTHentication (OATH) event-based HOTP and time-based TOTP one-time password codes, with the help of a Yubikey that protects the shared secrets.
MySQL database client (metapackage depending on the latest version)

mysql-client

MySQL database client (metapackage depending on the latest version)

This is an empty package that depends on the current "best" version of mysql-client (currently mysql-client-8.0), as determined by the MySQL maintainers. Install this package if in doubt about which MySQL version you want, as this is the one considered to be in the best shape by the Maintainers.