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Signal Private Messenger

4.11.3

A really private instant messaging app

3.0

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Signal Private Messenger is an instant messaging app developed by Open Whisper Systems, a nonprofit software company that develops open-source applications and that has been supported at various times by Edward Snowden. The app aims to guarantee safe and completely private communication between its users.

As soon as you start Signal Private Messenger for the first time, you'll notice its security features. There's no independent login, no username or password – the app uses your phone number and your address book, so in theory you can't pretend to be someone you're not.

The app uses end-to-end encryption, which protects every single message you send to your contacts. Whether you're talking directly to an individual or to a group, all your messages are always kept absolutely private. Not even Signal's servers have access to the information of your groups.

As you'd expect, Signal Private Messenger lets you send all kinds of files, including pictures, videos, and audio, always protecting them with the same protocol it uses for text messages. Everything is kept absolutely safe.

Signal Private Messenger is a secure and private instant messaging client that provides an additional layer of safety that other similar apps just don't have. WhatsApp, LINE, and even Telegram might have more users, but they are not as safe as this app.
Signal, the most secure messaging tool

What with all the hullaballoo about the NSA and the constant scandals over thefts of digital information, it’s just logical that users now have their guard higher than ever when it comes to using privacy tools when communicating online. TextSecure from OpenWhisper Systems is one of the most popular and efficient secure messaging services, which has now transformed itself with the addition of voice calls under the name Signal Private Messenger.
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Requirements

Requires Android 2.3 or higher

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