Based on the old Bonnie benchmark, Bonnie++ is a toolkit for testing hard drive and file system performance.

A GTK+ based program for the display and manipulation of isolated molecules, periodic systems and crystalline habits. It is in development, but is nonetheless fairly functional. It has the following features:

abook is a text-based ncurses address book application. It provides many different fields of user info. abook is designed for use with mutt, but can be used independently.