There is a new tool available for Sparkers: Franz.
What is Franz?
Franz is your messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat, Facebook Messenger, Telegram, Google Hangouts, GroupMe, Skype and many more. You can download Franz for free for Mac & Windows.
Installation (64bit only):
sudo apt update
sudo apt install franz
or via Sparky APTus (+ Sparky APTus Extra >= 0.2.9)
The Franz GitHub project page: github.com/meetfranz/franz
The project developer is Stefan Malzner.