Reason is Carleton’s website builder. It offers offices, departments, and student organizations an easy and powerful way to create and manage website content.

Reason was originally developed by Carleton’s Web Services Group. It’s been powering Carleton’s website since 2002, and has been an open source project since 2006. A variety of schools use and contribute to Reason. To learn more about the open source project, visit the Reason CMS website.

To log in to the administrative interface of Reason at Carleton, visit

To see a few interesting and innovative examples of Reason-powered websites at Carleton, visit the Reason Showcase.

There are 648 live sites currently using Reason: