Apache Click is a modern Java web application framework, providing a natural rich client style programming model. Click provides a page and component oriented design with a event based programming model. Leveraging a stateless architecture Click encourages loosely coupled pages for easier maintenance. Click is designed to be very easy to learn and use, with developers getting up and running within a day. Support is provided for Velocity, JSP or FreeMarker page rendering. Click also provides exceptional performance for high volume web sites.

License：Apache License Version 2.0
Reference：https://click.apache.org