Greenlight is being retired. For more information on how to submit games to steam, refer to this blog post.
Serial Key Generator 6.0
Serial Key Generator 5.0
December 20, 2012 - Tracer

What's new & improved in v5.0?
New: TRegistrationFile component and examples for Delphi and C++ Builder developers!
Improved: Increased generator limit - up to 1 million serial keys in one turn!
Improved: Application performance - up to +50% generator speed!
Improved: User interface redesign and updated help.
Bug fixed: Rare error when exporting serial keys to TXT/CSV.