uniqtabs Publisher's description
from Mitchell Field
Sorts tabs and prevents tab duplicates.
Customise the options to sort tabs by title and/or URL.
Sort when a certain key combination is pressed (configurable), or after a certain amount of idle time.
Optionally set limits on how many tabs can be open at once, or simply warn when the limit is reached.
What's New in This Release:Turned off idle sorting by default.
System Requirements:Firefox 18.0 and later
Program Release Status: Minor Update
Program Install Support: Install and Uninstall