I love the concept of free/open-source software. Here are a bunch of links to software that you can download which I've found useful. Here is a link to my own contributions to some FLOSS projects.
Jeff Schiller

A Lot of Very Useful Software:
Get Firefox Get Opera Get Inkscape
Get OpenOffice Get Doxygen Get STLPort
Get Java Get TextPad Get CygWin
Get The GIMP Get Boost Get MySQL
Get PHP Get GMP Dev-C++
GraphVIZ Get SDL Get OpenGL
Apache Get Audacity
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