What's your go to open source alternative? Jellyfin?

The context in which the photo is shared in also matters. As far as I know, the now thankfully banned subreddit "/r/jailbait" didn't post nude content, but it was still basically child pornography because you knew why the pictures were being shared. The intent was in the name of the subreddit.

Give me something like The Matrix Online again. I want missions/quests that are unique. Only one person/team can complete them. Failing is an acceptable outcome and has ramifications for the rest of the story. You would absolutely need writers and asset artists on staff as old things content gets completed. Let the players make content as well a la Eve Online where factions vying for control of territory IS content. This fills in the blanks between the written stuff.