Netbiff is an advanced version of the traditional biff (a mail-checking program). Features include BSD mailbox and IMAP4 support, a backend plug-in system (for other protocols), arbitrary numbers of backends, pluggable interfaces (GTK and text-based), and arbitrary actions on biff.
Micro fitter searches the best approximation to a set of data points using simple equations (rects and quadratics), and computes the maximum absolute and relative errors for the adjusted interval, the whole data set, or a specified range. It can generate the assembly code to implement it (currently only for Microchip's PIC family of microcontrollers).
Scribbler is a quick, easy, minimalistic diary script written in Python. When called without arguments, it allows you to edit today's diary entry. When the -b option is used, it allows you to browse old diary entries. Scribbler uses vim and lynx by default, but you can easily change these settings to your favorite editor/browser.
vfp (video for Pascal) is a Freepascal interface to video4linux. This package contains the unit videodev.pas (similar to videodev.h) and an object-oriented version which supplies the different functionalities via plugins. vfp also supports special video cameras modified for long time integration. vfp is a subpackage of the SImg software.
APLM (Alex Personal Library Manager) is a set of Perl scripts for managing a small library. It is designed to be easy to set up, easy to use, very customizable, and self-contained. It lets you type in your books, change a few paths, and get going without worrying about MySQL or anything. It also has a Web interface.