Ushahidi is an open source software for information collection, visualization and interactive mapping, to build tools for democratizing information, increasing transparency and lowering the barriers for individuals to share their stories. It has been used for election monitoring, crisis and emergency response, civil society, city/community building, arts and even where to find the best burger.
Crowdmap: A simple map-making tool, built on an open API, that allows for collaborative mapping
Swiftriver: Curate real-time data and analysis from a variety of sources, including social media streams
CrisisNET: A consolidated source of global crisis data
Ping: Two-way multichannel group alert during an emergency
SMSSync: Create a two way gateway with an Android phone and local SIM anywhere in the world
BRCK: Supports connectivity in remote locations, self-powered, mobile WiFi device