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 …

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

Dec 2, 2025 · Instead of accepting life in a fishbowl, use Signal to keep your communication private and secure. The free, open-source app protects your calls, messages, and video chats from prying eyes …

3 days ago · Signal is an instant messaging app free of charge that offers end-to-end encryption to protect your privacy.

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.

4 days ago · Millions of people use Signal every day for free and instantaneous communication anywhere in the world. Send and receive high-fidelity messages, participate in HD voice/video calls, …

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.

3 days ago · Signal is often considered the gold standard in private and secure messaging. But is Signal safe? How much of its reputation is justified?

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 …