Here are some of the places I look for help

NEDECN - New England Digital Emergency Communications Network

This is the DMR network I primarily participate on.

DMR MARC - Original ham DMR network

Great info on setting up and what to do if you're lost

Codeplug Editor by David MM7DBT

This is the Code Plug Software (CPS) I use for programming Radioddity transceivers, very simple compared to other otptions out there.

NEDECN
DMR-MARC
CPE