They provide an edition comparison matrix[1] that mentions the only languages supported in the open-source version are: Java, Scala, Groovy, Clojure, XML, XSD,

They provide an edition comparison matrix[1] that mentions the only languages supported in the open-source version are: Java, Scala, Groovy, Clojure, XML, XSD, DTD and Regular Expressions. So unfortunately not. They do offer free open source project licenses though if you're working on an opensource project, or even 50% off of commercial licenses to startups. http://www.jetbrains.com/idea/features/editions_comparison_matrix.html http://www.jetbrains.com/idea/features/editions_comparison_m...