GMT is a collection of tools that allow users to manipulate (x,y) and (x,y,z) data sets (including filtering, trend fitting, gridding, projecting, etc.) and produce Encapsulated PostScript File (EPS) illustrations ranging from simple x-y plots through contour maps to artificially illuminated surfaces and 3-D perspective views in black and white, gray tone, hachure patterns, and 24-bit color.

This tool is deprecated. The NVIDIA drivers now automatically integrate with the Xorg Xserver configuration. Creating an xorg.conf is no longer needed for normal setups.

The libarchive library provides a flexible interface for reading and writing archives in various formats such as tar and cpio. libarchive also supports reading and writing archives compressed using various compression filters such as gzip and bzip2. The library is inherently stream-oriented; readers serially iterate through the archive, writers serially add things to the archive.

libdvdnav is a DVD navigation library, which provides an interface to the advanced features of DVDs, like menus and navigation. It contains the VM and other parts useful for writing DVD players. It's based on Ogle, but was modified to be used by xine and mplayer.

BlueMon monitors the quality of the link to a Bluetooth device and can start or stop programs when the threshold drops below a certain value. This can be used to perform actions like locking the terminal when you walk away from it.