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

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

Update your package database and install Signal: sudo apt update &&sudo apt install signal-desktop. 2013-2025 Signal, a 501c3 nonprofit.

Mar 28, 2025 · After 'Signalgate,' the encrypted communication app is rocketing up the app charts—even as the Trump administration attempts to shift blame.

Nov 24, 2025 · 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.

Home to the Signal Protocol as well as other cryptographic primitives which make Signal possible. Signal has 126 repositories available. Follow their code on GitHub.

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 …

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.

Use this easy checklist to get help troubleshooting no signal or "no service" errors.

6 days ago · Signal’s secure message backups arrive on iOS You can store your messages for free, but you’ll need to pay $1.99 per month if you want to save more than 45 days’ worth of …