Gutenprint (formerly Gimp-print)

SMPlayer by Kristof Bal

As it says by itself, SMPlayer is a great MPlayer frontend. It provides me a pretty, easy-to-use ...
dlib C++ Library by DerKater

I stumbled across this library while looking for some code to list directories in a portable fash...
Maven 2 by ashcrow

It's something that you have to stay on top of. A lot of distributions don't package maven 2 and ...