Jetty

Apache is a popular, free, and open-source cross-platform web server software. It's known for its flexibility, robustness, and extensive module support, making it suitable for a wide range of web hosting needs.

Internet Information Services (IIS) is Microsoft's web server software for Windows. It's highly extensible and integrates well with other Microsoft technologies, making it popular in Windows-based environments.

OpenResty is a web platform that extends Nginx with Lua scripting capabilities. It allows developers to create complex web applications and services directly within the web server environment.

LiteSpeed is a high-performance, lightweight web server designed for speed and scalability. It offers Apache compatibility while providing superior performance for high-traffic websites.

Google Web Server (GWS) is Google's custom web server software. While not publicly available, it's optimized for Google's specific needs and high-traffic requirements.