Program: Signal
License: Open Source
Description: Signal (software) Signal is an encrypted communications application. It uses the Internet to send one-to-one and group messages, which can include files, voice notes, images and videos, and make one-to-one voice and video calls.
Website: https://signal.org
Other: https://portableapps.com/node/56993
Alternatively Is it possible to build signal app or run it on ungoogled chrome since the app is based on chrome?