Ghostery - Privacy tool for transparency and control
Random User-Agent - Automatically change the user agent after specified period of time to a randomly selected one, thus...
1Blocker - 1Blocker is a content blocking software that you can rely on to save time and money. Unlike its competitors who use JavaScript to block ads after they have been download, 1Blocker does the contrary. Read more about 1Blocker.
User-Agent Switcher and Manager - spoofs browser's User-Agent string.
F*ckOff - Tell YouTube ads to f*ck off
30 Seconds of Knowledge - Become a better developer, in every new tab.