High Quality Content by WIKIPEDIA articles! ColdFusion Markup Language, more commonly known as CFML, is a scripting language for web development that runs on the JVM, the .NET framework, and Google App Engine. Multiple commercial and open source implementations of CFML engines are available, including Adobe ColdFusion, New Atlanta BlueDragon (who makes both a Java-based and a .NET-based version), Railo, and Open BlueDragon as well as other CFML server engines.