How about miniPaint? Its mostly in JS.
https://github.com/viliusle/miniPaint

Maybe Piwigo: https://github.com/Piwigo/Piwigo

How about Profiles and Community Achievements? Something like Retroachievements?

How about Profiles and Community Achievements? Something like Retroachievements?

You can use posteo for 1€ a month. For more aliases look at mozmail (mozilla) or simplelogin. Or try runbox if you dont care about encryption at rest

youtube-local or yt-local with vpn. its very easy to set up