Resources:
Batracker Statistics, leaderboards and more by Jazu
Batwiki Unofficial BatMUD wikipedia
Information Shoppe Monsters, Items, Eq, Reincs
Dryad's old information page
Hair's Quest information page and more
Batmudder maintained by Ganvar

Maps:
Jeskko's Maps BatMUD maps Google-style
Pupunen BatMUD maps Continents, Areas, Cities
Ooga's mega old Maps Raw maps

Scripts, Triggers, etc.:
Era's Batclient triggers and more
GgrTF TinyFugue triggers