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

Signal is now developed by Signal Messenger LLC, a software company founded by Moxie Marlinspike and Brian Acton in 2018, which is wholly owned by a tax-exempt nonprofit …

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

Dec 3, 2025 · A Pentagon watchdog has determined that Defense Secretary Pete Hegseth risked the safety of U.S. servicemembers by sharing sensitive military information on the Signal …

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

Dec 8, 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.

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 …

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

Signal gets a complete redesign for iOS 26 and iPadOS 26. Learn how to download Signal, explore its basic features, and make the most of its privacy tools and helpful tips. Switching …

Signal users can send private messages and make secure calls to other Signal users anywhere in the world for free over the internet. All Signal-to-Signal communication is private and end-to …