OpenPref is an implementation of Preferans, a European trick-taking game against two virtual players. Currently it allows you to play the Sochi version of Preferans, allowing you to change some game conventions. Two alternative AIs are available.
Software Updates Applet for MATE Desktop checks for updates and displays notifications. It supports YUM (via yum-updatesd or yum) and APT (via updates-notifier).
Messaging and collaboration software.
A music player for MP3, Ogg, and FLAC files.