OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
SmartWindows.app - Auto arrange all your app windows, whether on one screen or many with a single click!
Session Buddy - Manage Your Browser Sessions
ReIcon - ReIcon is portable freeware that enables you to save and restore your desktop layout.
Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
VC Starter Kit - Everything you need to look like a Venture Capitalist