Excellent

Skotos Articles
Self-Conscious DGD
Newest working mirror of ftp.dworkin.nl/dgd
Old DGD Twiki
Old Phantasmal Documentation
SSH in LPC

Just Ok or Disorganized

Shentino Phantasmal Fork (less old)
Shentino KernelLib Fork (less old)
Skotos LPC Resources
DGD Mailing List Archives
Skotos Chat Theatre Repos (Earlier fork than Shentino)

Old or Meh

Intermediate LPC
Dworkin Phantasmal Fork (very old)

Uncategorized

Lil MUDLib