Signal for PC can privately message, voice, and video call other Signal users anywhere in the world for free over the internet. All Signal-to-Signal communication is private and end-to-end encrypted. Signal-to-Signal messages are secure and free to send and receive using any internet connection enabled on your phone, like WiFi or mobile data. Signal can also serve as your unified messenger for insecure SMS/MMS messages in addition to Signal messages. Insecure SMS/MMS from your mobile SIM card number are sent through your mobile provider. Chat with your friends and family and share media, all from the comforts of your computer desktop by employing this streamlined open source app!