Official Guides:
https://halopsa.com/guides/
Official Academy:
https://halopsa.com/academy/
Official Youtube Channel:
https://www.youtube.com/@halopsa6395/videos
Reddit:
https://www.reddit.com/r/halopsa/
Powershell API Application:
https://github.com/homotechsual/HaloAPI
SQL Schema:
https://halopsa.com/sqlschema/