The reason it's not showing up in game for you is probably because factorio 13.xx will not load any mod that does not say it's for factorio version 13 or above. Replicators does work in 13.xx, but you need to change a couple of things. First, in the info.json file, you need to add the line (between ...

Found an interesting bug. Was playing multi-player with a friend, and was using the remote control camera to set up a train that was currently at an outpost. He then crashed, and I was from then on unable to connect as the auto save from a few seconds before still had me in train view, and kept cras...