Unfortunately, the new version of DecafMUD isn't yet available for download because I'm way to picky and want to get it packed full of features.

Not to mention that horrible 'real life' thing's been keeping me busy with little wastes of time.

Until then, jMUD is what the previous release was called. Honestly though, I don't even think it's worth it to use it. jMUD is primitive and slow (compared to the new DecafMUD.