Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
Sandboxie - Sandboxie is a program for Windows that is designed to allow the user to isolate individual programs on the hard drive.
NextDNS - Block ads, trackers and malicious websites on all your devices.
Deep Freeze - DESCRIBING DEEPFREEZE SOFTWARE Deepfreeze, by Faronics, is an application that solves a unique problem that many companies have these days; it prevents an end user from making permanent changes to important system/administrative files.
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.
Cuckoo Sandbox - Cuckoo Sandbox provides detailed analysis of any suspected malware to help protect you from online threats.