Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Self-Hosted



Control D is described as 'Modern and customizable DNS service that blocks threats, unwanted content and ads - on all devices. Onboard in minutes, and forget about it' and is a Ad Blocker in the security & privacy category. There are more than 25 alternatives to Control D for a variety of platforms, including Web-based, Linux, Mac, Android and Windows apps. The best Control D alternative is NextDNS, which is both free and Open Source. Other great apps like Control D are Pi-hole, RethinkDNS, 1.1.1.1 and DNS4EU.



A DNS-based solution designed to enhance defenses like ad blockers, antivirus tools, and firewalls. Using AI, it blocks ads, trackers, and threats at the DNS level. It ensures faster performance, better privacy, and comprehensive device protection without extra software.


CIRA Canadian Shield protects you from online threats such as malicious domains, phishing websites and helps to keep your personal data private. It also provides DNS privacy by keeping your DNS requests in Canada.




adblock-lean is a super simple and lightweight adblocking solution that leverages the major rewrite of the DNS server and domain handling code associated with dnsmasq 2.86 that drastically improves performance and reduces memory foot-print, facilitating the use of very large...
Protects all Internet devices, Blocks tracking & ads, Defends against malware & Internet dangers, Prevents harmful content to children, Provides anonymous surfing, Free, open source and without backdoors


An alternate free recursive DNS provider that does not log, filter, or hijack (redirect NXDOMAIN responses).
Stubby is the name given to a mode of using getdns which enables it to act as a local DNS Privacy stub resolver (using DNS-over-TLS).
Trust DNS is a free tool that helps bypass censorship, access blocked websites, & browse privately via anonymous DNS resolver.




Effortlessly switch between DNS servers, benchmark their performance, and customize your DNS settings to optimize your internet connection. Available on iPhone, iPad, and Mac.




Blocky is a DNS proxy and ad-blocker for the local network written in Go with following features: