Ranked in these QuestionsQuestion Ranking
Pro Avoids awful looping problems on Firefox one sees with Adblock Plus and uBlock
Pro Supports most popular browsers
AdBlocker Ultimate works on Chrome, Mozilla Firefox, Opera, Internet Explorer, Safari and Yandex.Browser.
Pro Completely free
Pro Free and open source
Anyone can improve and audit the code.
Licensed with a gplv3 license.
Pro No acceptable ads
Unlike other adblockers, AdBlocker Ultimate doesn't have any whitelisted websites, ad networks or advertising agencies.