12NTC: Open-Source Mobile Apps for Social Change
Tech Soup
APRIL 10, 2012
Mobile devices allow multi-touch and gesture navigation, precise GPS-based location tracking; have audio, video, and camera capabilities; let you send real-time notifications and SMS messaging; and more. Broadcast SMS. Crowdmap is a hosted version of Ushahidi , which allows you to gather data and visualize it on a map.
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