Dungeon Craft
Updated emulator of Forgotten Realms: Unlimited Adventures
... is used to configure art, items, monsters, spells, special abilities, classes and races.. Each adventure is self-contained and doesn't require the editor to be played.
The editor is extremely versatile and the databases are completely designer created allowing easy additions and modifications to spells, monsters, items, classes, races and special abilities, and are exportable to be easily shared with others or used in other designs.