This plugin can help keep your tabs in check.
The key idea is that more is less. You don’t need a tool that helps you manage hundreds of tabs. What you need is a tool that can help you reduce the to a minimum .
Tab Hoarder Therapy does the following for you:
* Can eliminate other tabs with same URL
* Can eliminate other tabs from same source (eg cnn.com)
* Can move all your tabs from all other windows into your current window thus eliminating all other windows in your browser.