nginx - A high performance free open source web server powering busiest sites on the Internet.
Sucuri - Website Protection, Malware Removal, and Blacklist Prevention
FortiDDoS - FortiDDoS achieves superior & faster DDoS protection from known and zero-day attacks with low latency. Advanced DDoS protection for enterprise data centers.
Amazon CloudFront - Amazon CloudFront is a content delivery web service.
DataDome - DataDome provides innovative technology and human expertise to block bad bots.
CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.