Tomcat是Apache 软件基金会（Apache Software Foundation）的Jakarta 项目中的一个核心项目，由Apache、Sun 和其他一些公司及个人共同开发而成。由于有了Sun 的参与和支持，最新的Servlet 和JSP 规范总是能在Tomcat 中得到体现，Tomcat 5支持最新的Servlet 2.4 和JSP 2.0 规范。因为Tomcat 技术先进、性能稳定，而且免费，因而深受Java 爱好者的喜爱并得到了部分软件开发商的认可，成为目前比较流行的Web 应用服务器。(Tomcat is a core project in the Jakarta project of Apache Software Foundation (Apache). It was developed by Apache, Sun and some other companies and individuals. With the participation and support of Sun, the latest Servlet and JSP specifications can always be reflected in Tomcat, and Tomcat 5 supports the latest Servlet 2.4 and JSP 2 specifications. Because Tomcat technology is advanced, the performance is stable, and free, it is loved by the Java enthusiasts, and has been recognized by some software developers, become the more popular Web application server.)