The Microsoft .Lit cracker has found a new home:
www.convertlit.com!
You can download ConvertLit directly from here:
Compiled version of Convert LIT 1.5 (no source) - A precompiled version of the program for Microsoft(r) Windows(tm) operating systems. This is a console mode only program, and is distributed as is.
Convert LIT 1.5 source - The source code for clit and associated library. This should compile cleanly on Linux and *BSD, and should be easily portable. The source code is released under the GPL.