There are a number of great Java build tools from which to choose when working on enterprise projects. But for those looking for the best Java build tool around, Maven makes a great deal of sense.

JetBrains is shipping version 9 of its IntelliJ Idea IDE for Java, this time offering both commercial and open source versions.

JetBrains, which has provided its IntelliJ Idea Java IDE as a commercial product, now is offering a preview of a free, open source version of the IDE.