http://www.jetbrains.com/idea/features/editions_comparison_matrix.html Freemarker, Velocity

IDE Features	Ultimate Edition	Free Community Edition
Darcula — The darker UI theme.	Y	Y
Android — UI Designer, Layout Refactorings, etc.	Y	Y
Maven, Gradle, Ant, Gant Build Tools	Y	Y
Unit Testing and Code Coverage — JUnit, TestNG, Spock; Cucumber (for Java and Groovy), etc.	Y	Y
Issue Tracking Integration — YouTrack, JIRA, Lighthouse, Pivotal Tracker, GitHub, Redmine and Trac.	Y	Y
Local History	Y	Y
Context Management	Y	Y
Eclipse Project Interoperability	Y	Y
Swing GUI Designer	Y	Y
Code Spell Checker	Y	Y
Structural Search & Replace	Y	Y
OSGi — available via a free plugin.	Y	Y
Database Tools — SQL Editor, Schema Definition Editor, Diagrams.	Y	N
UML Designer — Analysis, Modelling, Refactorings	Y	N
Dependency Structure Matrix	Y	N
Maven Dependency Diagram	Y	N
Code Duplicates Detection	Y	N
Language Support Language support includes Smart Completion, Profound Navigation, On-the-fly Analysis, Intentions, Quick Fixes, Safe Refactorings, Debugger and many other productivity-boosting features.	Ultimate Edition	Free Community Edition
Java	Y	Y
Scala — including ScalaTest, specs2; available via a free plugin.	Y	Y
Groovy	Y	Y
Clojure — available via a free plugin.	Y	Y
XML, XSD, DTD	Y	Y
Regular Expressions	Y	Y
Dart — available via a free plugin.	Y	Y
HTML, CSS	Y	Y
JavaScript, CoffeeScript, TypeScript	Y	Y
ActionScript	Y	Y
Freemarker, Velocity	Y	Y
XSL, XPath	Y	Y
SQL — PostgreSQL, MySQL, Oracle, Microsoft SQL Server, etc.	Y	N
Ruby, JRuby — available via a plugin.	Y	N
Python — available via a plugin.	Y	N
PHP — PHPUnit, Smarty, etc. available via a  plugin.	Y	N
Frameworks and Technologies Frameworks support may include Smart Completion, Profound Navigation, On-the-fly Analysis, Intentions, Quick Fixes, Safe Refactorings, Debugger and other built-in tools.	Ultimate Edition	Free Community Edition
Spring Framework — Core, MVC, WebFlow, Web Service, Data, Security, Integration, Roo, etc.	Y	N
Java EE — Servlets, JSP, JSF, Web Services, CDI, Bean Validation, etc.	Y	N
JPA, Hibernate — Completion, Navigation, Refactorings, Queries, Diagrams, etc.	Y	N
GWT — Google Web Toolkit	Y	N
Vaadin	Y	N
Grails	Y	N
Play Framework — Play 1.x and Play 2.x	Y	N
JBoss Seam	Y	N
Struts — Struts 1.x and Struts 2.x	Y	N
Griffon	Y	N
AspectJ	Y	N
Thymeleaf	Y	N
Tapestry	Y	N
Sass, LESS, Stylus, Compass	Y	N
Rails, RubyMotion — available via a plugin.	Y	N
Node.js — available via a plugin.	Y	N
Django — available via a plugin.	Y	N
Adobe Flex, AIR — including AIR Mobile for iOS and Android.	Y	N
Application Servers Applications servers support includes Deployment Tools, Debugger, Log Monitor and other built-in tools.	Ultimate Edition	Free Community Edition
Tomcat	Y	N
TomEE	Y	N
GlassFish	Y	N
JBoss AS, WildFly	Y	N
Oracle WebLogic	Y	N
IBM WebSphere	Y	N
Geronimo	Y	N
Resin	Y	N
Jetty	Y	N
Virgo	Y	N
Version Control Version control tools includes a unified interface and smart tools for Update, Commit, Merge, Diff and other operations with version control systems.	Ultimate Edition	Free Community Edition
Git, GitHub	Y	Y
Subversion	Y	Y
Mercurial	Y	Y
CVS	Y	Y
Team Foundation Server	Y	N
ClearCase	Y	N
Perforce	Y	N
Visual SourceSafe	Y	N
Customer Support	Ultimate Edition	Free Community Edition
IntelliJ IDEA Community Forums and Issue Tracker	Y	Y
24/7 Support	Y	N

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