Ultima 6 For whom dost thou seek the Codex?
The IT-HE Software Ultima 6 Development Utilities
A comprehensive utilities package that includes numerous programs and files that can be used to edit Ultima 6, Savage Empire, and Martian Dreams.
Ultima 6 for Exult
An apparently single-handed attempt to remake Ultima 6 using the Ultima 7 engine.
Cear Dragon’s Gargish Translators
Cear Dragon’s Java utility that can translate between English and Gargish.
Ultima 6 Encode/Decode
Utilities to decode LZW-compressed Ultima 6 game data, and then re-encode the extracted files in a format that Ultima 6 can read.
LZW Decompressor for Ultima 6 Game Data
This program uses the LZW decompression scheme for to extract game data from Ultima 5 and Ultima 6.