WINDZ
WINDZ is a command-line tool which takes a file as input and will try to BFC that file.
The program is quite old already and not very tolerant to errors. For example, if you forget to supply an input file parameter, it will crash.
Example Invocation
windz inputfile.dat > outputfile.dat
Source Code
A source code location of this program currently is not known.
Download
An official download location of this program currently is not known.
You can find version 0.1.0 for download at this LDRAW Forum post: