Signal

👥kind applicationusage messagingenc contenttopology centralizedid phone

started: 2010
by: Moxie Marlinspike, Trevor Perrin
homepage: https://signal.org
wikipedia: https://en.wikipedia.org/wiki/Signal_(software)

End-to-end encrypted messenger using the Signal Protocol (Double Ratchet). Open source clients and server but operated as a single centralized service by the Signal Foundation.

Inspired by

TextSecure
OTR

Has inspired

OMEMO
Session
SimpleX
Status
Wire