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 can either.

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 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.

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 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 …

2 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.

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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.