Nagstamon is a Nagios status monitor which takes place in systray or on desktop (GNOME, KDE) as floating statusbar to inform you in realtime about the status of your Nagios and some of its derivatives monitored network. It allows one to connect to multiple Nagios, Icinga, Opsview, Centreon, Op5Monitor, Checkmk Multisite, Thruk, Zabbix and Zenoss servers. Events could be handled by instant access to failed hosts/services.

FCE Ultra X [FCEUX] is an emulator of the original (8-bit) Nintendo Entertainment System (NES) released under the GNU General Public License (GPL). It includes the following features (and many more):

Virtual Machine for running Atari 32-bit operating systems and applications

KeyTouch Editor should be used to create configuration files for KeyTouch, a program to configure extra function keys in multimedia keyboards, in case your keyboard is not yet supported.

Tenes Empanadas Graciela is a clone of Plan Tactico y Estrategico de la Guerra, based on Risk.

mate-screensaver is a screen saver and locker that aims to have simple, sane and secure defaults, and be well integrated with the MATE desktop.