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 corporation called the …

Dec 19, 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.

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

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 · Signal is an encrypted service for text messaging, but it can also handle phone and video calls, making it a versatile app for talking on a secure channel with others. Up to 1,000 people can join...

Mar 25, 2025 · Signal is an open-source and fully encrypted messaging service that runs on centralised servers maintained by Signal Messenger. The only user data it stores on its servers are phone …

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.

It’s an app that can be used for direct messaging and group chats as well as phone and video calls. Signal uses end-to-end encryption for its messaging and calling services that prevents any third …

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