AdGuard is described as 'is the best way to get rid of intrusive ads and online tracking, and to protect your computer from malware. Make your web surfing faster, safer and more comfortable with AdGuard!' and is a very popular Ad Blocker in the security & privacy category. There are more than 50 alternatives to AdGuard for a variety of platforms, including Android, Linux, Mac, Windows and Google Chrome. The best alternative is uBlock Origin, which is both free and Open Source. Other great apps like AdGuard are Adblock Plus, Blokada, Pi-hole and uMatrix.
AdGuard is mainly a Ad Blocker but alternatives to it may also be Firewalls or DNS Resolvers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of AdGuard.
Adhell is a Samsung Knox based application which can Block system-wide Ads, trackers, analytics from applications without root. It has more functionalities than just Ad-Blocker including Package Disabler, Mobile Restricter, App Permissions controller.
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.