Stellarium - Free Opensource Planetorium on Your Computer

Songbird is a free opensource customizable media player and web browse powered by Mozilla. Songbird runs on Mozilla’s XULRunner platform, thus capable of running on Microsoft Windows, Apple Mac OS X, Solaris and Linux. On the Windows and Macintosh platforms, Songbird utilizes the VideoLAN Client for media playback.

Elisa is an open source cross-platform media center connecting the Internet to an all-in-one media player. While primary development and deployment platform is GNU/Linux and Unix operating systems, elisa also currently support Microsoft Windows. Elisa runs on top of the GStreamer multimedia framework.

Celestia is a free opensource space simulation software that lets you explore our universe in three dimensions. Celestia provides photo-realistic, real-time, three-dimensional viewing of the solar system, the galaxy and the universe and has become a valuable tool for education in Astronomy.

A graphical tool to make file backup impler. Provides a user-friendly interface which allows you to back up your files easily to an archive, to a CD/DVD or to a remote location using SSH.pybackpack is a user-friendly file backup tool written for the Gnome desktop and released under the GPL.

apache2-mpm-itk (just mpm-itk for short) is an MPM (Multi-Processing Module) for the Apache 2 web server. mpm-itk allows you to run each of your vhost under a separate uid and gid — in short, the scripts and configuration files for one vhost no longer have to be readable for all the other vhosts.