There’s a Third party section on the Resources page already linked above, but you can also refer to the thread for new users that Daniel so lovingly put together for links to e.g. @dan_kreider’s guide:
You could also start you own thread proposing what you want to do, its scope, the sort of format you envision it taking, how it might be updated as the software updates etc and I’m sure you’ll receive input from forum users there.