ShieldSquare - ShieldSquare provides invisible and comprehensive site scraping protection to your website.
uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.
Adblock Plus - AdBlock Plus is a browser extension for Firefox, Chrome, Opera, and several other popular browsers that prevents intrusive ads like pop-ups and malicious code from appearing on websites you visit.
Nmap Online - Nmap Port scanner, OS Detection, Traceroute online
AdGuard - Surf the Web Ad-Free and Safely. Shield up!