uMatrix is described as 'Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc' and is a very popular Ad Blocker in the Web Browsers category. There are more than 50 alternatives to uMatrix for a variety of platforms, including Mac, Google Chrome, Windows, iPhone and Firefox. The best alternative is uBlock Origin, which is both free and Open Source. Other great apps like uMatrix are AdGuard (Freemium, Open Source), Privacy Badger (Free, Open Source), NoScript (Free, Open Source) and Blokada (Freemium, Open Source).
Ads Killer is easy to use and powerful ad blocker for Google Chrome, Opera and Chromium based browsers.
It blocks banners, text ads, video ad on YouTube, all kinds of popups and tracking systems. It also stops all ads in your Facebook News Feed.
Adamant is a content blocker for Safari and iOS 9 that removes distracting advertising, trackers, and other unwanted elements from web pages. It makes pages load faster, uses less data on your cellular connection, and saves your battery life.