MODX is a free, open source content management system and web application framework for publishing content on the world wide web and intranets. MODX is licensed under the GPL, is written in the PHP programming language, and supports MySQL and Microsoft SQL Server as the database.
Visit the CDNsun knowledge base for MODX CDN integration how-to.
View the MODX CDN plugin on GitHub.
Sincerely your CDNsun team.
Sources: Wikipedia , MODX.today