"Signal", Signal logos, and other trademarks are trademarks or registered trademarks of Signal Technology Foundation in the United States and other countries (more info here).

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

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 …

Apr 25, 2023 · Once you’re set up, you can freely send and receive messages to and from other Signal users. Signal syncs with your phone’s contact list to show which of your contacts also …

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 …

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 …

Signal ist ein freier Instant-Messaging - Dienst für verschlüsselte Online-Kommunikation der US-amerikanischen gemeinnützigen Signal- Stiftung. Er ist vor allem für seine Datensparsamkeit …

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.

Signal的所有软件都是 自由及开源 的，由非营利组织 Signal基金會 和 Signal Messenger有限公司 开发。 其 用戶端 和服务器端的 程式碼 均按 AGPLv3 授权發佈。

Getting Started Understand the basics of Signal on Android, iOS, and Desktop. Features Explore rich features of private messaging. Security This section contains common questions …