Open Whisper Systems

Open Whisper Systems (informally abbreviated OWS) is a nonprofit software group that was founded by Moxie Marlinspike in 2013. Their main focus is the development of the Signal Protocol. They also maintain an encrypted voice calling and instant messaging application called Signal. The group is funded by a combination of donations and grants, and all of its products are published as free and open-source software.

Open Whisper Systems

Open Whisper Systems (informally abbreviated OWS) is a nonprofit software group that was founded by Moxie Marlinspike in 2013. Their main focus is the development of the Signal Protocol. They also maintain an encrypted voice calling and instant messaging application called Signal. The group is funded by a combination of donations and grants, and all of its products are published as free and open-source software.