slackbuilds/network/signal-desktop

signal-desktop (Signal for Desktop)

Signal is an encrypted instant messaging and voice calling application
for Android, iOS, and the desktop. It uses the Internet to send
one-to-one and group messages, which can include images and video
messages, and make one-to-one voice/video calls.

This is a repackaging of the official binary .deb file distributed by
Open Whipser Systems.