First of all, I want thank Augustin for taking up the charityware cause and breathing fresh life into the website. Charityware.info is a dramatic improvement on the old charity-ware.org, and I believe it's going to be a much better tool for promoting charityware and helping raise money for worthwhile charities.
I would like to start a discussion about the best tools for finding good charities.
On the way home from work, I heard a good bit on PRI's "The World" about how we all have a moral obligation to help the world's poor (http://www.theworld.org/node/25208). The show mentions: