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Download Signal for Android, iOS, Linux, macOS, and Windows.
Signal (software) - Wikipedia
Signal is the successor of the RedPhone encrypted voice calling app and the TextSecure encrypted texting program.
Download Signal for Android, iOS or Desktop - AboutSignal.com
Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger.
Signal - Private Messenger - App Store
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 >> Download Signal
Update your package database and install Signal: sudo apt update &&sudo apt install signal-desktop. 2013-2025 Signal, a 501c3 nonprofit.
What Signal Is, and Why It Was Never Built for War Rooms
Dec 5, 2025 · The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for …
Signal >> Home
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.