Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Phusion Passenger - Phusion Passenger is a multi-language (Ruby, Python, Node) web & app server which can integrate into Apache and Nginx
OpenResty - Turning Nginx into a Full-fledged Web App Server