NTLite - The Ultimate Windows Customization Tool
Hirens BootCD - Hirens BootCD is a powerful, all-in-one boot disk utility that will help you resolve and make reformatting your computer easily.
Win Toolkit - BUGS: Do not post bugs in the comments.
Ultimate Boot CD - The last Boot CD you'll ever need. You need the Ultimate Boot CD if you want to:
WinReducer - Customize Windows (Integrate cursors, themes, wallpapers or change files to improve Windows...
AOMEI PE Builder - Free tool to create bootable USB drive, CD/DVD or ISO file based on Windows PE.