Ryzom - Free to Play Open-Source MMORPG | Windows, Mac & Linux
ryzom.com
A freedom-oriented classless MMORPG, in a Science Fantasy setting focused on Roleplay, Live Events, complex crafting and dynamic environments.

Enter a unique science fantasy MMORPG and dive into a unique organic living world!

In Ryzom, there are no classes to choose. Develop all the skills of your character harmoniously or choose to concentrate on one skill and become a master. You are not forced to choose a faction when you create your character. Join a faction during your journeys, or not.