SIGL is not the makers of the Signal communication app. SIGL is a company called Signal Advance (https://www.signaladvance.com/ https://www.signaladvance.com/)

SIGL is not the makers of the Signal communication app. SIGL is a company called Signal Advance (https://www.signaladvance.com/ https://www.signaladvance.com/), which makes medical and industrial systems. Signal, the app (https://signal.org/en/ https://signal.org/en/), is a 501c3 nonprofit.