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 chats and calls completely private.

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.

Mar 25, 2025 · Unlike other popular messaging apps, Signal is operated by a non-profit called the Signal Technology Foundation rather than a for-profit tech giant like Meta, which owns popular messaging …

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 working on a standalone version of its desktop app and more adjustable options for Signal Desktop. Signal will roll out new measures to help prevent and detect phishing attempts. FBI was …

signal. (noun) A gesture, sound, wave, action, impulse, or indication of something to pass along information.

May 22, 2026 · Millions of people use Signal every day for free and instantaneous communication anywhere in the world. Send and receive high-fidelity messages, participate in HD voice/video calls, …

Signal has 126 repositories available. Follow their code on GitHub.