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 …

How to use Signal and what can you do with the app? In this Signal guide you’ll find everything: how to download and install it, basic features, privacy and security options, tips, and handy …

Find out what’s new and what’s next for AI and tech — all directly from Microsoft, with insights and practical tips that matter for your work, life and the world.

Oct 20, 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.

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

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 …

Mar 26, 2025 · The private messaging Signal is not a secure government network but it is used by many government officials and journalists. NPR's Leila Fadel talks with Matt Blaze, …

Apr 25, 2023 · The Signal messaging app uses end-to-end encryption so that your texts, calls, videos, files, and location remain private. Here's how to use it.

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