Cross platform web application firewall (WAF) engine for Apache
All-in-one solution for high performance web content delivery
Fast and light-weight API proxy firewall for request and response
OWASP Coraza WAF is a golang modsecurity compatible firewall library
Handy, High performance, ModSecurity compatible Nginx firewall module
SKUDONET Open Source Load Balancer and Web Application Firewall
Web application firewall in C language uses libevent
Free Web Application Firewall
Nginx and Lua Based Easy to setup Web Application Firewall