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  1. Download Signal

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

  2. Signal Private Messenger - Download and install on 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. • Send texts, voice …

  3. 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.

  4. 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.

  5. Signal Protocol - Wikipedia

    The Signal Protocol (formerly known as the TextSecure Protocol) is a non- federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging …

  6. FBI says it's investigating Signal. Should users worry? - MSN

    The encrypted messaging app Signal has become a critical tool for organizers following the actions of immigration agents in Minneapolis. Now that activity is the target of a probe …

  7. Signal Private Messenger - Apps on Google Play

    Jan 12, 2026 · 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.

  8. 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 …

  9. Download Signal for Windows

    To use the Signal desktop app, Signal must first be installed on your phone.

  10. Signal - Private Messenger - Apps on Google Play

    Jan 12, 2026 · 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.