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

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

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

Share text, voice messages, photos, videos, GIFs and files for free. Signal uses your phone's data connection so you can avoid SMS and MMS fees. Make crystal-clear voice and video calls to people …

Jun 20, 2025 · Learn what the Signal app is used for, how secure it is, who owns the private app, and best practices for safe messaging.

Signal-Server Public Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS Java 10.3k 2.4k

"Signal", Signal logos, and other trademarks are trademarks or registered trademarks of Signal Technology Foundation in the United States and other countries (more info here). Or visit …

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.

Download Signal here or follow the installation steps for your platform. Signal users can send private messages and make secure calls to other Signal users anywhere in the world for free over the …