Signal is an open source messenger with end-to-end encryption. Messages and calls cannot be read or monitored. All standard messenger functions are available in Signal: Text and voice messages, phone and video calls with up to 40 people.

What is it for?
Signal can be used for chats between two people or group communication. Video calls with up to 40 people are also possible.

For whom?
Can be used by anyone who has Signal installed on their phone. A desktop version is also available.

• How?
  Signal is available as an app (App Store, Google Play) or desktop client (Mac, Windows, Linux) and can be downloaded here [https://signal.org/de/download/]. Detailed instructions on how to install and use Signal can be found within the official documentation [https://support.signal.org/hc/de/categories/5592576449306-Einstieg]
  
  Tip: Studium Digitale  uses Signal as a team chat.