Across the 'net there are myriad Wheel of Time muds and a ton of great free games based on Robert Jordan's Wheel of Time Series. The list was at one point the most complete list of such games on the internet, but there just isn't the time to keep it all up to date anymore, and giving out dated info isn't cool, so I'll stop maintaining it. However, rather than leave you without information, here is a list of a few websites with great Wheel of Time themed muds, current as of January 2000.
PK&RP
Wheel of Time - Popular and brutally realistic. The oldest of the lot, it's the only Wheel of Time - themed mud to have been featured as mud of the month at 'The Mud Connector'.
PK
The Great Hunt - Fairly popular PK-oriented MUD: hack whack maim kill!
RP
Moment in Tyme - Fairly popular, non-PK roleplay MUD, but the last two years have seen a lot of problems between players and staff.
Dragon's Fang - Fairly popular, non PK roleplay-oriented MUD, with deep and extended roleplay.
Tales of Ta'varen - A pure RP MUSH that pays a remarkable amount of attention to detail.
Go and try them, and enjoy!