I deeply appreciated this clear set of ten guidelines to help new contributors get started in any open project. Seems there's a lot of wisdom here for software teams in the workplace as well.
Rule 1: Be welcoming [...]
Rule 2: Help potential contributors evaluate if the project is a good fit [...]
Rule 3: Make governance explicit [...]
Rule 4: Keep knowledge up to date and findable [...]
Rule 5: Have and enforce a code of conduct [...]
Rule 6: Develop forms of legitimate peripheral participation [...]
Rule 7: Make it easy for newcomers to get started [...]
Rule 8: Use opportunities for in-person interaction—With care [...]
Rule 9: Acknowledge all contributions [...]
Rule 10: Follow up on both success and failure [...]