Best browser *ever*!
One of the good ones
It is software like projects like Lynx that make open source systems so good. They are not the most popular/flashy/catchy, but rock solid in my opinion. I used to use lynx for browsing for information, it almost made modem connections useful. Now I use it because it is powerful. Good work.
An open, cross-platform journaling program.
A scientific plotting package.