I was kind of blown away by the video linked below. I surprisingly learned a lot and not just because i watched on 2x speed.
“Open source is social coding”
Fresh eyes
Documentation
Git underpins GitHub
GitHub also gives issues tracking, project boards (like trello boards), GitHub actions, etc.
How to find projects to contribute to
How to make issues and PRs
How to make money from open source,
Eddie Jaoude on FCC here