Signal Messenger

Signal Messenger, LLC, is a software organization that was founded by Moxie Marlinspike and Brian Acton in 2018 to take over the role of the Open Whisper Systems project that Marlinspike founded in 2013. Its main focus is the development of the Signal app and the Signal Protocol. The organization is funded by the non-profit Signal Foundation, and all of its products are published as free and open-source software.


Signal Messenger, LLC, is a software organization that was founded by Moxie Marlinspike and Brian Acton in 2018 to take over the role of the Open Whisper Systems project that Marlinspike founded in 2013. Its main focus is the development of the Signal app and the Signal Protocol. The organization is funded by the non-profit Signal Foundation, and all of its products are published as free and open-source software.
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