Sure, there is Muddys D2NT and Etal's D2NT that are probaly the best bots for Diablo II out there at the moment,
[Only registered and activated users can see links. Click Here To Register...] 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.