Open Whisper Systems

"Use anything by Open Whisper Systems." -Edward Snowden, Whistleblower and privacy advocate

Open Whisper Systems is a nonprofit software group that has developed free and open source apps for making encrypted phone calls and text messages. Available for both android and iOS.


Silent Circle

Silent Circle, created by Mike Janke, former U.S. Navy SEAL and security specialist and Phil Zimmermann, cryptography legend (Internet Hall of Fame inductee; creator of PGP and ZRTP) and  Jon Callas, creator of Apple's Whole Disk Encryption, developed an entire communications network based in Switzerland outside of US and EU jurisdiction, consisting of software, services, and devices built specifically for privacy.

  • Silent phone has Unlimited encrypted voice, video, and conference calling.
  • Silent Text has peer-to-peer technology allowing you to send files, pictures, locations, etc...
  • Black Phone is a physical phone they built from the ground up to be private by design. It runs on its own PrivatOS - an operating system, without all the security compromises. Voted one of the Top 10 Technology Breakthroughs of 2014 by MIT Technology Review and winner of Top 10 Devices at Mobile World Congress by PCMag,

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