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

4 天之前 · 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 is a secure and private messaging app.

2023年12月8日 · Signal private messenger app is a favorite of government officials, tech giants, and cyber experts. Find out why.

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

2023年4月25日 · 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.

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 is committed to your privacy. Signal runs on donations as a nonprofit. Donate here!

2025年9月8日 · Secure Backups 101 Secure backups let you save an archive of your Signal conversations in a privacy-preserving form, refreshed every day; giving you the ability to …