Many big corps support Free and Open Source Software in different ways. Everything's strictly business, just that the company doesn't need to burn down half the Amazon Rainforest to do it.
AWS Start-Up Challenge, a contest for entrepreneurs and start-ups that will award the winner $50,000 in cash, $50,000 in AWS credits, a potential investment offer from Amazon.com, and more. Submissions will be accepted until 3 Oct, 2008.