SterJo NetStalker is innovative and FREE security software able to detect all authorized and unauthorized connections to your computer and send you alert for each new connection.

RethinkDNS is described as 'An OpenSnitch-inspired firewall and network monitor + a pi-hole-inspired DNS over HTTPS client with blocklists' and is a popular Ad Blocker in the web browsers category. There are more than 25 alternatives to RethinkDNS for a variety of platforms, including Android, iPhone, Linux, iPad and Windows apps. The best RethinkDNS alternative is Portmaster, which is both free and Open Source. Other great apps like RethinkDNS are AdGuard, NextDNS, Pi-hole and Athena - Firewall & Adblocker.
SterJo NetStalker is innovative and FREE security software able to detect all authorized and unauthorized connections to your computer and send you alert for each new connection.

Firewalla is a vital security addition to every home and small business with network and IoT devices.



The advanced AI-powered firewall: Take control of all connections and defend against hackers, spyware, and trackers.



Free adblocker, anonymity, traffic and battery saver, firewall, and Internet speed increase.




A lightweight, privacy focused Android firewall application that blocks network connections for selected apps without requiring root access or VPN. ShizuWall leverages Shizuku to provide powerful network control capabilities. Requires Android 11 (API 30) or higher.


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.




Hostsblock is a bash script for Linux designed to take advantage of the HOSTS file available in all operating systems to provide system-wide blocking of internet advertisements, malicious domains, trackers, and other undesirable content.



NetGenius is a modern Internet connection monitoring, control and optimization tool. It lets you watch the apps using your Internet in real-time, control their access, and get detailed usage reports. Bandwidth-sensitive applications like voice calls, videos or games can be...

