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

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.

Jul 31, 2025 · Signal is an instant messaging app that is free of charge and offers end-to-end encryption to protect your privacy.

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 Signal Technology Foundation, also created by them in 2018.

Mar 4, 2022 · Signal is a secure encrypted messaging app. Think of it as a more private alternative to WhatsApp, Facebook Messenger, Skype, iMessage, and SMS. Here's why you should seriously consider switching to Signal.

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

Feb 8, 2022 · Signal is one of the more popular encrypted messaging platforms on the market for those who want a secure (and free) way to communicate.

Jul 28, 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.

Dec 8, 2023 · Signal is a popular secure private messaging app that everyone from Twitter founder Jack Dorsey to whistleblower Edward Snowden use, according to the app’s website.

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 …