Cainteoir Text-to-Speech is a GNOME/GTK+ GUI for the Cainteoir Text-to-Speech Engine. It allows you to listen to your documents or record them for use on the move using any of the eSpeak or MBROLA text-to-speech voices.
LibreOffice is a feature-packed and mature desktop productivity package. It consists of a word processor, a spreadsheet, a presentation package, a drawing program, a database, and an equation editor.
A CPU jitter-based random number generator.
A PHP/MySQL guestbook script.