Irbis Zen is described as 'Zen is an open-source system-wide ad-blocker and privacy guard for Windows, MacOS, and Linux. It works by setting up a proxy that intercepts HTTP requests from all applications, and blocks those serving ads, tracking scripts that monitor your behavior, malware, and other' and is a Ad Blocker in the security & privacy category. There are more than 50 alternatives to Irbis Zen for a variety of platforms, including Google Chrome, Mozilla Firefox, iPhone, iPad and Mac apps. The best Irbis Zen alternative is uBlock Origin, which is both free and Open Source. Other great apps like Irbis Zen are Adblock Plus, AdGuard, NextDNS and SponsorBlock.