In market, various application servers are present. To make a choice b/w them is a tough task. B/w them, Tomcat is one of the best choice. Tomcat offers these features which make it different from other competing solutions. Light and Fast: Tomcat is a highly optimized and light weighted servlet container. While it servers JSPs, everything is outperformed which includes open source based projects like JBoss and Geronimo.Scalable and Flexible - Tomcat is preferred by the developers
Apache Tomcat is considered to be open sourced “software implementation” of the JavaServer Pages technologies & Java Servlet. Java community process is involved in development of JavaServer Pages & Java Servlets.
Apache Tomcat gets developed in open participatory environment. This is released in Apache License version 2. Best of breed developers worldwide are collaborated to create it. You can take an active part in this development project.