PHP gFeed is a PHP class that implements a stream wrapper to read and write RSS feeds. It can be used to parse RSS feeds with path specified in the URL and stores the parsed feed values in global variables. It can also generate RSS feeds from values from the same global variables.
Gspot is a control panel for cDc's Back Orifice. As of 2.0, Gspot requires GTK+ 1.2. Gspot was written using cDc's original Unix client sources, only the front end has really changed. Right now Gspot has all of the capabilities of cDc's client for MS Windows, but also allows cut-and-paste, better layout, session saving and command scripting.
GtkSC is a GTK/Perl based application for viewing the list of streams available via SHOUTcast without waiting a long time for Netscape to draw the HTML tables. It will launch your favorite MP3 player and play the selected stream (provided you have an MP3 player capable of playing HTTP streams)
mfw allows multiple firewall configurations to be managed from the commandline on Mac OS X. Multiple firewall modes (and easy means of selecting between them) are useful on laptops, where one may want a default paranoid firewall, a mode for network scanning with nmap, modes for various networked games, or to run a software Network Address Translation (NAT) wireless base station.