By Lincoln Njogu Ushahidi is free and open-source software (LGPL) for information collection, visualisation, and interactive mapping. It came to be in the aftermath of Kenya's disputed 2007 presidential election. Ushahidi collected eyewitness reports of violence reported by email or text messages and placed them on a Google Maps. The Ushahidi platform is built on the Kohana web framework and includes support for Nexmo wholesale SMS API and Clickatell SMS Gateway.It also provides the option of using OpenStreetMap maps in its user interface, but requires the Google Maps API for geocoding. The organisation uses the concept of crowdsourcing for social activism and public accountability, serving more

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