Signal Desktop is Chrome app that will sync messages transmitted between it and an Android device. The app comes from Open Whisper Systems, which developed Signal’s predecessors, Redphone and TextSecure. Signal uses end-to-end encryption for voice calls, messaging and sending photos. It has been endorsed by none other than former U.S. National Security Agency contractor Edward Snowden. There has been growing concern that software vendors may have been pressured into adding capabilities in their products that would assist government surveillance programs.”]
Source: https://www.csoonline.com/article/3011838/encrypted-messaging-app-signal-available-for-desktops.html