Plemp is a command line tool for uploading photos to flickr. It has a GTK-based status window, and therefore is ideal to use from third-party applications like Bibble.
st is a script that provides basic functions used in descriptive statistics: mean, variance, standard deviation, sum, min, max, median, percentile, and quantile.
A Linux firewall distribution.
A media library management system for obsessive-compulsive music geeks.