CatBlock is described as 'In 2014, Michael Gundlach (the creator of the AdBlock extension) discontinued his pay-monthly "CatBlock" extension, that let users replace ads online with cats (or any other image from Flickr)' and is an app in the Web Browsers category. There are more than 25 alternatives to CatBlock for a variety of platforms, including iPhone, iPad, Mac, Google Chrome and Safari. The best alternative is uBlock Origin, which is both free and Open Source. Other great apps like CatBlock are Adblock Plus (Free, Open Source), AdGuard (Freemium, Open Source), Blokada (Free, Open Source) and AdAway (Free, Open Source).
A wide-spectrum efficient blocker. Which block ads, trackers and malware sites. Supports Chromium, Chrome, Edge, Firefox, Opera, Thunderbird. Fast and lean, and as of 2017 still being actively improved. Forked from .
The best ad blocker for Android that works for all apps and does not require root. Free and open source. Blokada efficiently blocks ads, tracking and malware. It saves your data plan, makes your device faster and protects your privacy. It's free, open source and secure.
An ad blocker that uses the hosts file. The hosts file contains a list of mappings between hostnames and IP addresses. When an app requests an ad, that request is directed to 127.0.0.1 which does nothing.
AdBlock stops ads, improves browser speeds, and protects you online. Your browser is automatically updated with additions to the filter: just click Install, then visit your favorite website and see the ads disappear.
Extending and consolidating hosts files from several well-curated sources like adaway.org, mvps.org, malwaredomainlist.com, someonewhocares.org, and potentially others. You can optionally invoke extensions to block additional sites by category.