A date/time picker widget
Generate calendars in the iCalendar format
An extremely easy way to perform background processing in Java
WeekToDo is a Free and Open Source Minimalist Weekly Planner
JobScheduler workload automation to execute jobs and workflows
Free & Open Capacity Planning Software in a Complete Virtual Machine
Scheduler is a simple web app to track events and make schedules.
Fault tolerant job scheduler for Mesos to handle dependencies