For me: FirePicker for Firebug to quickly adjust colors in CSS https://addons.mozilla.org/hu/firefox/addon/firepicker https://addons.mozilla.org/hu/firefox/ad

For me: FirePicker for Firebug to quickly adjust colors in CSS https://addons.mozilla.org/hu/firefox/addon/firepicker https://addons.mozilla.org/hu/firefox/addon/firepicker Yet Another Smooth Scrolling to make scrolling smooth like on touch devices https://addons.mozilla.org/hu/firefox/addon/yet-another-smooth-scrolling https://addons.mozilla.org/hu/firefox/addon/yet-another-smoo... NetVideoHunter to download videos from YouTube and music from Grooveshark https://addons.mozilla.org/hu/firefox/addon/netvideohunter-video-downloade https://addons.mozilla.org/hu/firefox/addon/netvideohunter-v... Omnibar https://addons.mozilla.org/hu/firefox/addon/omnibar/ https://addons.mozilla.org/hu/firefox/addon/omnibar/