Honestly, this really bums me out...
They've always been the go-to when there was a game I was looking for. If you have any recommendations, I will gladly take them.
https://minerva-archive.org/ is working on archiving all the data from Myrient. Unfortunately their main page is down right now. But they have a client that volunteers are running to coordinate the archival efforts. Last I heard they already had >80% of all the content archived