A job scheduling system that can be integrated with, or used alongside any Java application. Quartz can be used to create simple or complex schedules for executing jobs, whose tasks are defined as standard Java components or EJBs. [Open source, Apache...

A web application framework for J2EE. It is based on a concept called "Pull HMVC" (Pull Hierarchical Model View Controller). It supports an arrange of view technologies - XSLT, JSP, Velocity, Applet. [Open source]