GNU/Linux Ubuntu Installing Signal Desktop Guide
You are Welcome! The Tutorial Shows You Step-by-Step How to Download and Install Signal Desktop Messenger in Ubuntu GNU/Linux Desktops.
And Signal App for Ubuntu is a Cross-Platform Encrypted Messaging Service. Signal Messages can include Files, Voice Notes, Images and Videos.
Furthermore, Signal Mobile Apps can also make one-to-one Voice and Video Calls, and the Android version can optionally function as an SMS App.