Alternatives to CatBlock for all platforms with any license

uBlock Origin

Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird. Fast and lean.

Free Open Source Mac Windows Linux Microsoft Edge Vivaldi Browser ... Chrome Safari Pale Moon Opera Chromium Firefox
Lightweight 3rd-party filters Google Chrome extension Custom filters ... Customizable Element blocker Firefox extension Privacy focused Security focused Website whitelisting Add a feature

1079 Like
Adblock Plus

Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware. Available...

Free Open Source Mac Windows Linux iPhone Chrome OS ... BSD iPad Microsoft Edge Internet Explorer Vivaldi Browser Chrome Safari Yandex.Browser Opera Firefox
Google Chrome extension Element blocker Firefox extension Google Drive integration ... Internet Explorer extension Microsoft Edge extension No Tracking Opera extension Safari extension Add a feature

1685 Like
AdBlock

Your favorite feature in Mozilla Firefox finally comes to Google Chrome...

Free Open Source Mac Windows Linux iPhone BSD ... Chrome Safari Opera
Google Chrome extension Opera extension Safari extension Add a feature

278 Like
uBlock

Enjoy a faster, cleaner web. uBlock enhances your browsing experience, efficiently blocking any clutter and overhead disturbing your experience. Built for...

Free Open Source Mac Windows Linux Android Chrome OS ... Chrome Safari Opera Chromium Firefox
Built-in Ad-blocker Google Chrome extension Firefox extension Opera extension ... Safari extension Unattended installation Add a feature

176 Like
- Discontinued The project seems to be no longer developed. Last version, v0.9.5.2, released in June 2015, can be still downloaded from the official website.
AdAway

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...

Free Open Source Android
Root required Add a feature

78 Like
Adguard

Adguard is an unique internet filter that removes ads, ad-trackers and blocks websites with viruses & malware.

Freemium Mac Windows iPhone Chrome OS Vivaldi Browser ... Chrome Safari Yandex.Browser Opera Firefox
No features added Add a feature

90 Like
Blokada

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...

Free Open Source Android Android Tablet
Custom DNS Switch DNS servers Lightweight No Root Required Add a feature

17 Like
AdBlocker Ultimate

AdBlocker Ultimate is a cross-browser ad-blocker. FEATURES - Completely free - Block ALL ads - no whitelisted ads/websites - Block tracking and malware domains

Free Open Source Mac Windows Microsoft Edge Chrome Safari ... Yandex.Browser Opera GitHub Firefox
Ad-free Add a feature

9 Like
StopAd

StopAd is an ultimate tool blocking ads on all major browsers, apps, and social media, like Facebook and Youtube. It operates on Windows, Mac, Android and iOS. .

Commercial $ $ $ Mac Windows Android iPhone Android Tablet ... iPad
Safari extension Add a feature

9 Like
ZenMate Web Firewall

ZenMate Web Firewall is a security solution that blocks malware, trackers and security threats, plus free Ad Blocker against Malvertising!.

Free Open Source Mac Windows Linux Chrome
Google Chrome extension Add a feature

10 Like
1Blocker

1Blocker makes it easy to block ads and tracking scripts by just flipping a switch. It is time to stop ad networks and analytics providers build deep profiles about you...

Freemium Mac iPhone iPad
No features added Add a feature

5 Like
RedMorph Browser Controller

Comprehensive privacy tool, bundling ad-blocker, tracker-blocker, and encrypted proxy into one extension.

Freemium Web Vivaldi Browser Chrome Yandex.Browser
Encrypted Connection Tracker blocker Add a feature

20 Like
Nano Adblocker

NanoCore - Just another adblocker Based on uBlock Origin: https://github.com/gorhill/uBlock

Free Open Source Mac Windows Linux Chrome OS
No features added Add a feature

3 Like
Ka-Block!

The best way to block advertisements and third-party tracking scripts, protecting your privacy and web browsing performance.

Free iPhone iPad Safari
Safari extension Add a feature

4 Like
Adblock Fast

Adblock Extension with optimized ruleset to accelerate pages more but consume less system resources than other ad blockers do.

Free Open Source Mac Windows Linux iPhone iPad ... Chrome Safari Opera
Google Chrome extension Opera extension Safari extension Add a feature

7 Like