Signal Technology Foundation
The Signal Technology Foundation, commonly known as the Signal Foundation, is an American non-profit organization founded in 2018 by Moxie Marlinspike and Brian Acton. Its mission is to "protect free expression and enable secure global communication through open source privacy technology." Its subsidiary, Signal Messenger LLC, is responsible for the development of the Signal messaging app and the Signal Protocol.
Founded2018
FoundersMoxie Marlinspike, Brian Acton
HeadquartersMountain View, California, U.S.
Websitesignalfoundation.org
▸ VITAL STATS
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▸ CLIMATE COMMITMENT
▸ TIMELINE
2010 TextSecure — Signal's direct predecessor — first released by Whisper Systems.
2013 Predecessor Open Whisper Systems releases the apps and protocol that would become Signal.
2018 Signal Technology Foundation established as a nonprofit by Moxie Marlinspike and WhatsApp co-founder Brian Acton, who funded it with a $50 million loan.
2021 Signal downloads surged over 4,000% year-over-year after a WhatsApp privacy-policy update prompted users to look for alternatives.
▸ PIXPAUSE RECEIPTS ON SIGNAL TECHNOLOGY FOUNDATION