Apache HTTP Server Alternatives

Internet Information Services is a web server for Microsoft Windows

An open source software implementation of the Java Servlet and JavaServer Pages technologies

LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.

XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.

Static web hosting made simple

Phusion Passenger is a multi-language (Ruby, Python, Node) web & app server which can integrate into Apache and Nginx

MAMP is the abbreviation for Macintosh, Apache, MySQL, and PHP. It is a reliable application with its four components that allows you to access the local PHP server as well as the database server (SQL).

Jetty is a highly scalable modular servlet engine and http server that natively supports many modern protocols like SPDY and WebSockets.

Turning Nginx into a Full-fledged Web App Server

A secure, fast, compliant, and very flexible web-server that has been optimized for high-performance environments

WildFly is a flexible, lightweight application server.

Gunicorn is a Python WSGI HTTP Server for UNIX.