What Cross-Platform Software do you Need?

http://live.pirillo.com - You guys know that I'm a cross-platform Gnomie. I became addicted to software at a very young age, like many of you. I found myself floating between operating systems more often, and looking for developers who created software that was workable no matter what environment I was in at the time. Blog post: http://chris.pirillo.com/2008/06/25/what-cross-platform-software-do-you-need/