The Orb of Shadows is a MMORPG using the CrystalSpace engine. tOfS is going to have a gigantic world with lots of skills/weapons/spells/etc, high performance (10000+ users on a single server!), high security (no more cheats/hacks!) and very high realism!
Ultima Online Server Emulator.
Main focus points are performance, flexibility and stability.
Uses the embedded scripted language Small for maximum user configurability.