Open source Web servers

Apache

The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems. (Apache)

Linux - FreeBSD - Windows - macOS

Ferron web server

Ferron is a web server optimized for speed, security, and efficiency. Written in Rust, it offers memory safety and performance, making it ideal for modern websites. (MIT)

Cross-platform

Hiawatha

Hiawatha is an webserver with security, easy to use and lightweight as the three key features. Hiawatha supports among others (Fast)CGI, IPv6, URL rewriting and reverse proxy. It has security features no other webserver has, like blocking SQL injections, XSS and CSRF attacks and exploit attempts. (GPL)

Cross-platform

lighttpd

lighttpd is a web server designed to be secure, fast, standards-compliant, and flexible while being optimized for speed-critical environments. (BSD)

Cross-platform

nginx

nginx is a lightweight, high performance web server/reverse proxy and e-mail (IMAP/POP3) proxy. (BSD)

Linux - FreeBSD - Windows - macOS

5 applications