This is a repackaged open source Stack wherein additional charges lies for pre-configured. Apache Tomcat is an open-source servlet container. It also works as a web server offering a Pure Java HTTP environment for Java code thereby allowing the users to run Java Server Pages and Servlets based on web applications. Apache Tomcat helps in the smooth installation of APIs, websites, JSP, and servlets of Java specifications. Besides Apache, it can also be used with Microsoft Internet Information, and Microsoft Personal Web servers.
Apache Tomcat is a constituent of the Jakarte EE platform, it is considered as an implementation of its constituent web specifications Servlet, WebSocket, Expression Language, Annotations, and Authentication.

Features
Handles Static and Dynamic Pages
Apache Tomcat is designed to handle static and dynamic pages. While the static pages are created using HTML, the dynamic pages involve Servlet and JSP.

Memory Leak Detection
Apache Tomcat comes with a function to detect and prevent memory leakage. It is specifically handy for developers while they are deploying applications in the development environments since it saves the redeployment time. The basis of the function is the elimination of references to objects outside the garbage collection.

Greater Control and Sharing
Tomcat offers a great degree of control over applications by monitoring low-level I/O data involved in asynchronous communication. Besides, you can also choose to configure injectable thread pools enabling sharing between different applications.