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Linux Apps

Signal – Fast, Simple and Secure Multi-Platform Instant Messaging App

Signal Messenger App
Written by Martins Okoi
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Signal is a well encrypted and open-source instant messaging application and it is available for Android, iOS, Windows, GNU/Linux, and macOS.

It features a clean and modern design (which is either mostly minimalist or flat design these days). Its controls are easy to access and it has a familiar working environment across platforms so users will not find it difficult to use.

You can use it to create and send messages to people directly or in groups as well as to make both audio and voice calls, transfer documents, Gifs,  and images. As an excellent WhatsApp alternative, you can trust it to employ modern security methods as it employs end-to-end encryption to protect its users from snoopers.

Signal Instant Messaging App

Signal Instant Messaging App

Features of Signal

  • Freeware: Signal is free for everyone to download and use.
  • Cross-Platform: All Windows, Linux, Mac and Android users can enjoy the coolness of Signal App.
  • A minimalist UI design.
  • Modern end-to-end encryption.
  • Set disappearing messages at intervals.
  • Create and join groups.
  • Send text, voice, and picture messages.
  • Make both audio and video calls.

Signal’s most important feature is the ability for users to keep their chat history clean by setting messages to disappear after prescribed intervals.

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It is 2018 and WhatsApp still doesn’t have this feature. Telegram does, but if for some reason you don’t like Telegram, Signal is the WhatsApp alternative you should consider.

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Signal is available to install only on Debian/Ubuntu based distributions using the following commands.

$ sudo curl -s https://updates.signal.org/desktop/apt/keys.asc | sudo apt-key add -
$ sudo echo "deb [arch=amd64] https://updates.signal.org/desktop/apt xenial main" | sudo tee -a /etc/apt/sources.list.d/signal-xenial.list
$ sudo apt update && sudo apt install signal-desktop

Don’t forget to tell us what you think about Signal in the comments section below.

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About the author

Martins Okoi

Martins Divine Okoi is a Computer Science graduate with a passion for Linux and Open Source software. He is studying again for an MSc in Cybersecurity but still makes time to write about the best software the market has to offer.