“Ryzom Core is the open-source project related to Ryzom Game. Written in C++, Ryzom Core contains the whole code (client, server, tools) used to make the commercial MMORPG Ryzom. ” Ryzom Core is open source and released under the terms of the GNU Affero General Public License 3.0 (GNU/AGPLv3) for the source code and the Creative Commons Attributions-ShareAlike 3.0 (CC-BY-SA) for the art assets.”

Website: dev.ryzom.com

This was the recording of my first run. Bit of lag from the servers but overall not a bad experience. Should have a installation guide/video posted this weekend.