Tab-Organizer 1.0 by Devin Soni
Download it here!
Featured on Product Hunt and Lifehacker, among other sites.
Chrome extension that rearranges tabs in groups of matching URLs. Groups tabs in the order that the group's first member originally appeared.
Version 1.0
Added options page, and now allows users to auto-sort and use the keyboard shortcut "Ctrl + Shift + A" to sort.
Version 0.1
Initial version.