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Welcome to Apache Tomcat!

What Is It?

The Apache Tomcat® software is an open source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. The Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket specifications are developed under the Java Community Process.

The Apache Tomcat software is developed in an open and participatory environment and released under the Apache License version 2. The Apache Tomcat project is intended to be a collaboration of the best-of-breed developers from around the world. We invite you to participate in this open development project. To learn more about getting involved, click here or keep reading.

Apache Tomcat software powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations. Some of these users and their stories are listed on the PoweredBy wiki page.

Apache Tomcat, Tomcat, Apache, the Apache feather, and the Apache Tomcat project logo are trademarks of the Apache Software Foundation.

Get It

For every major Tomcat version there is one download page containing links to the latest binary and source code downloads, but also links for browsing the download directories and archives:

• Tomcat 10
• Tomcat 9
• Tomcat 8
• Tomcat 7

To facilitate choosing the right major Tomcat version one, we have provided a version overview page.

Documentation

The documentation available as of the date of this release is included in the docs webapp which ships with tomcat. You can access that webapp by starting tomcat and visiting http://localhost:8080/docs/ in your browser. The most up-to-date documentation for each version can be found at:

• Tomcat 10.1
• Tomcat 10.0
• Tomcat 9
• Tomcat 8

Installation

Please see RUNNING.txt for more info.

Licensing

Please see LICENSE for more info.

Support and Mailing List Information

• Free community support is available through the tomcat-users email list and a dedicated IRC channel (#tomcat on Freenode).

• If you want freely available support for running Apache Tomcat, please see the resources page here.

• If you want to be informed about new code releases, bug fixes, security fixes, general news and information about Apache Tomcat, please subscribe to the tomcat-announce email list.

• If you have a concrete bug report for Apache Tomcat, please see the instructions for reporting a bug here.

Contributing

Please see CONTRIBUTING for more info.