Workona - A better way to work in the browser.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
Session Buddy - Manage Your Browser Sessions
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
Toby - Better Than Bookmarks
XYplorer - File Manager for Windows