signal software - SERP Analysis

https://signal.org/

https://en.wikipedia.org/wiki/Signal_(software)

https://play.google.com/store/apps/details%3Fid%3Dorg.thoughtcrime.securesms%26hl%3Den_US

https://www.signalsoftware.es/

https://apps.apple.com/us/app/signal-private-messenger/id874139669

https://github.com/signalapp

https://signal-ai.com/strategic-pr-and-communications/plan-media-monitoring-software/

https://www.reddit.com/r/signal/comments/183ziwm/pro_and_cons_using_signal/

https://signalfoundation.org/