hBlock is described as 'POSIX-compliant shell script, designed for Unix-like systems, that gets a list of domains that serve ads, tracking scripts and malware from multiple sources and creates a hosts file (alternative formats are also supported) that prevents your system from connecting to' and is a Ad Blocker in the web browsers category. There are more than 25 alternatives to hBlock for a variety of platforms, including Mac, Linux, Android, iPhone and iPad apps. The best hBlock alternative is Adblock Plus, which is both free and Open Source. Other great apps like hBlock are AdGuard, NextDNS, Pi-hole and Ghostery Tracker & Ad Blocker.