MetaFilter is a 21 year old noncorporate social media community that has taken its culture and moderation very seriously. Scanning the questions of their FAQ is probably the quickest way to look for anything that might be worth consideration.
A few innovations/pages/FAQ questions that come to mind:
- From my own memory of it (as a cishet), MetaFilter lead the way in making a safe social media space for the trans community.
- MeFi Community Guidelines
- Content Policy
- What does ‘threadsitting’ mean? What does ‘threadshitting’ mean?
- Moderators are paid positions
- Why was my MetaFilter post deleted?
- Why was my MetaFilter comment deleted?
You might start with What does ‘threadshitting’ mean?