Signal Foundation
Signal Technology Foundation | |
| Predecessor | Open Whisper Systems |
|---|---|
| Formation | January 10, 2018 |
| Founders | |
| Type | 501(c)(3) nonprofit organization |
| 82-4506840 | |
| Focus | Open-source privacy technology |
| Headquarters | 650 Castro Street, Suite 120-223 |
| Location | |
Area served | Global |
| Products | Signal Messenger |
Key people | |
| Subsidiaries | Signal Messenger LLC |
| Revenue | $35,750,994 (2023) |
| Expenses | $35,808,494 (2023) |
| Staff | 36 (2020) |
| Website | signalfoundation |
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.