Extensions switcher - Menu for quick extensions control
Extensity - Quickly enable/disable Google Chrome extensions.
Mozilla Add-ons - Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.
Mojeek - Mojeek, the alternative search engine that puts the people who use it first.
Tab Auto Refresh - Automatically refresh tabs based on custom time intervals
SimpleExtManager - A simple menu to enable, disable and access options of extensions.