Sirex's App Tabloc 0.5s
Protect App Tabs, stops them closing, based off Tabloc.
Dont know why ff does not do this...
Works along side Tabloc, but does not use its settings etc, not needed to be honest!
Works on Tabs instantly
DOES NOT NEED TABLOC!
This add-on has been preliminarily reviewed by Mozilla. Learn more
This add-on is not compatible with your version of Firefox because of the following: