k easy runlevel management
Deleting Obsolete RPM Files from the cache
Ubuntu Simple Package Crawler
A PHP-based LDAP frontend for system administration.
Ubuntu System Panel is a simple menu and launcher for the GNOME desktop environment.
Cluster SSH opens terminal windows with connections to specified hosts and an administration console.
GNOME System Tools are a set of tools aimed to make easy the system administration tasks.
Usermin is a Web interface that can be used by any user on a UNIX system to easily perform tasks.