You can fetch FSCloud Live data from: https://fscloud.net/status.txt
The system is the same as with VATSim and others and uses the same syntax. That is the status.txt points to the active status file which contains all clients data.
If you are a developer you can implement FSCloud clients to your project i.ex. show them on a map.
As a user you can add FSCloud data to some tools, i.ex. Little Navmap:
Step 1: Go to settings …
Step 2: Add http://fscloud.net/status.txt as status file URL …
That’s it. You should see FSCloud traffic now: