Sure, there is Muddys D2NT and Etal's D2NT that are probaly the best bots for Diablo II out there at the moment,

is in english, you can visit the site there and look around to download it. Muddys Thread is in german... and i doubt you whould fully understand it with google translator or something like that... you could just use etal... there isent really a big difference between them, there are both more than good enough to run without any major problem.