Setup based on which kind of probes are you going to use. If you don't understand, please read Concepts and Designs first.
Important: Please choose the timezone on UI, make it matches the timezone of your OAP backend servers.
The following agents and SDKs are compatible with the SkyWalking's formats and protocols, but maintained by the 3rd-party. You could go to their project repositories to find out the releases and how to use them.
Follow backend and UI setup document to understand and config the backend for different scenarios, and open advanced features.
Backend, UI and Java agent changes are available here.