Download Signal for Android, iOS, Linux, macOS, and Windows.

State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else …

To use the Signal desktop app, Signal must first be installed on your phone.

2 days ago · The Santa Clarita Valley Signal is the #1 source for local news in the Santa Clarita Valley area since 1919.

Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger.

Signal is the successor of the RedPhone encrypted voice calling app and the TextSecure encrypted texting program.

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.

4 days ago · Signal is an instant messaging app free of charge that offers end-to-end encryption to protect your privacy.

5 days ago · Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.

Signal Messenger User Guide Learn how to download Signal, explore its basic features, and make the most of its privacy tools and helpful tips.