There is a lot of website templates or themes out there that you can downloaded for free. But how about admin template especialy for web application?. Here is list of admin template for web application that you can download for free.
AdminTheme Ultimate Admin Panel Solution
This is montly free file from Theme Forest.
Downloade page: http://www.transdmin.perspectived.com/
Bloganje Free Admin Template
Downloade page: http://www.bloganje.com/free-admin-template.html
Web Resources Depot Free Admin Template For Web Applications
AdminPraise Lite, Joomla administrator panel template
You mus register and login to downloade this template