Like some other Windows apps, their Linux equivalent say are either non existent, or run poorly due to lack of love from their authors.
Read the full article, including how Microsoft have co-operated on making Skype available via the Snapcraft technology, over at LinuxInsider.
If you want to install Skype, simply enter the following (using Ubuntu 16.04):
- Open up a terminal window
- Type the command sudo snap install skype
- Type your password.