- Jan 28, 2016
What is it?
Signal is a cross-platform encrypted messaging service developed by the Signal Foundation and Signal Messenger LLC. It uses the Internet to send one-to-one and group messages, which can include files, voice notes, images and videos. Its mobile apps can also make one-to-one voice and video calls and the Android version can optionally function as an SMS app.
Where do I get it?
App stores everywhere or signal.org
What's the big deal?
By far the most secure messaging app available, fully open source, regularly reviewed and tested with an expanding API and top notch industry support.
Dev + spec