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

  2. WildFly is a flexible, lightweight application server.

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

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

  5. 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).

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