There is a new tool available for Sparkers: Riot
What is Riot?
Riot (formerly known as Vector) is a Matrix web client built using the Matrix React SDK. Riot is officially supported on the web in modern versions of Chrome, Firefox, and Safari. Other browsers may work, however official support is not provided.
sudo apt update
sudo apt install riot-web
or via Sparky APTus-> IM tab.
Alongside to Riot, two more the Matrix network client have been added to the APTus IM module as well: Quaternion and nheko.
The Riot project page: about.riot.im
It is a free and open source application, released under the Apache License 2.0.