It might not be the most artfully named Chrome extension, and it's admittedly buggy, but TabMemFree can help tab addicts save memory resources.
Wish Chrome didn't take up so much RAM? With TabMemFree, Veronica shows you how to free up memory from those background tabs, on today's Tekzilla Daily.
If you end each day with a mess of open tabs, then TabJuggler can help. This Chrome extension lets you reorder, separate, and combine tabs while providing a useful search function.
This Chrome extension assists with the management of your tabs via a neat and orderly hierarchy tree.