NTLite - The Ultimate Windows Customization Tool
Chocolatey - The sane way to manage software on Windows.
Win Toolkit - BUGS: Do not post bugs in the comments.
Ketarin - Ketarin is a small application which automatically updates and optionally installs setup packages...
Winbuilder - "WinBuilder is an engine designed to build and customize boot disks (Live CDs) based on...
Ninite - Ninite is the easiest way to install software.