The Community Scheduler Framework (CSF) is an open source framework for implementing a grid meta-scheduler. It's an add-on to the Globus Toolkit v.3 and was developed by Platform Computing. CSF will be incorporated into a future release of the Globus Toolkit, but you can download and use it today. In this article, you'll get an introduction to meta-scheduling concepts and the components that make up the meta-scheduling framework. You'll also learn how to use the CSF.