

The financial terms of the deal were not disclosed by either company. In November 2011, Whisper Systems announced that it had been acquired by Twitter.
#Tox vs cryptocat software#
All of these were proprietary enterprise mobile security software and were only available for Android. Whisper Systems also produced a firewall and tools for encrypting other forms of data. The beta versions of RedPhone and TextSecure were first launched in May 2010 by Whisper Systems, a startup company co-founded by security researcher Moxie Marlinspike and roboticist Stuart Anderson. Signal is the successor of an encrypted voice calling app called RedPhone and an encrypted texting program called TextSecure.

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