Nytegard's Ultima 5 editor

Nytegard has written an Ultima 5 editor and two utilities, one for extracting graphics and another for decoding conversations. You can download the source code for all three programs here: Nytegard has done extensive reverse-engineering of Ultima 5. If you need information about the Ultima 5 internals, his contact information is on his website (see below).
Last updated on 2009-August-06
Nytegard's homepage