https://www.reddit.com/r/skyrimmods/comments/3ad3cy/help_tamriel_online_testing/
For the past few weeks I've been working on a mod (my first mod), one that lets you play Skyrim with other people. So that you can play with as many people as you like(that skyrim and the server can handle), with or without the same mods.
The mod is just about ready for release, but I've only been able to test it with a friend and myself. I can't really confirm that there's no horrifying problems until I've gotten some more feedback. To that end, I ask for your help.
If you're interested you can find the download links, and necessary information below.
Server: http://www.mediafire.com/download/h6vpc2z1dy6lmbn/TamrielOnlineServer.zip
The server includes a test server, and a live server. The test server will clone your character, in your skyrim, when you connect. And relay what you do back to the clone. This is something I used to make sure things work, since none of my other computers can adequately run skyrim.
The live server won't spawn any clones, and is what you should use if you're playing with other people. Or have multiple computers connecting to the server.
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There's more info in the link at the top. Seems legit, this could be awesome.