Browser extension for tab management.

Shows a list of open tabs.

Tabs update in real time.

Powerful filter.

Pin tabs.

Close tabs.

Close multiple tabs.

Show pins or playing tabs.

Filter by title or url.

Re-open recently closed tabs.

Show tab titles or urls.

https://addons.mozilla.org/en-US/firefox/addon/grasshopper-urls/

Version 4.2 at this time of writing.