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A secure text messaging application for Android, iPhone and Chrome Extension Was merged with RedPhone into the application Signal.

Free, world-wide, private phone calls for iPhone, Android and Desktop. Private messaging coming soon! Like privacy? Secure your calls for free with Signal. It's that simple. Signal provides end-to-end encryption for your calls, securing your conversations so that nobody can listen in. - ... [More] Signal uses your normal phone number to make and receive calls, so you don't need yet another identifier. - Signal calls are encrypted end-to-end, but function just like you're used to. - Free and Open Source, enabling anyone to verify its security by auditing the code. - Uses wifi or data, not your plan's voice minutes. [Less]

Geochat emerged from a simple concept - can I send an SMS message and see it on a map? From there the concept has evolved, and geochat has become a project to build a collaboration platform for the lowest common denominator communication tools, considering as highest priorities the needs of ... [More] workers of humantiarian aid, international health and disaster response. The main drivers for the project are the feedback of the InSTEDD programs in South East Asia, excercises such as GoldenShadow?, and a growing community of humanitarian and health workers who spend their days in technologically austere environments. We invite anyone from any line of work to use and contribute user experience, technical, and any other kind of feedback. [Less]