Mass M Decompiler
From UODemo Wiki
Presenting you the Mass M Decompiler with VB.NET source code...
This utility is able to create 2 sorts of output. UO-C is the output closest to the M script files. Real-C was invented to make analysis easier because the output has been made compatible with the C language so cross-referencing variables and function names works without problems.
How it works? Very easy, extract all files from the DAT file with Ultima Online uodemo.dat extractor 0.1b [1] and point the utility to the extracted scripts subdirectory. Then press the Mass Decompile button and when the decompilation is finished press the Dump All button, this will create a scripts.c directory.
Publish 1 can be downloaded here: [2].