Online heroes – Ushahidi

“Africa’s Gift to Silicon Valley: How to Track a Crisis”: “a small Kenyan-born organization called Ushahidi, which has become a hero of the Haitian and Chilean earthquakes and which may have something larger to tell us about the future of humanitarianism, innovation and the nature of what we label as truth.

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Ushahidi: Crowdsourcing Crisis Information (FOSS)

Developer information on their wiki