Scheduling components enable develpers to create applications with task scheduling and diary management fetures. These products go beyond presentation logic and extend to business logic relating to the management of the schedule.
Solution Center - Code examples using Scheduling and Diary Components
 Displaying a schedule of appointments for a team

Java Scheduling and Diary Components by NETRONIC Software GmbH

VARCHART JGantt 2.3 -  VARCHART JGantt is a component written in Java, that very easily lets you integrate Gantt charts into your application. Gantt charts display events, activities and their allocations over time. They are commonly used in project planning, production control and resource management.