IntelliJ IDEA Open Source Version

Starting with version 9.0, IntelliJ IDEA the Java IDE from JetBrains is coming in two flavors: a Community Edition which is free and open-sourced and the Ultimate Edition that focuses on the full Java EE technology stack. A breakdown of the differences between the two editions can be found in this comparison matrix.

For more information on the decision to go open source check out the Community Edition FAQ.