Eclipse is generally recommended. (Personally I think it blows but many here like it) I think there is also netBeans. Those are the two free java IDEs I know. A quick google search will bring them up.

NetBeans 5.0 is a substantial upgrade to what was already a very solid IDE. This release reveals many new features, enhancements, and a slight repositioning, as Sun attempts to shine the spotlight on ...

The Java community has no shortage of IDEs for active development. With so many available options, an organization's final choice will come down to development needs and preferences. There are more ...

Eclipse, the open-source IDE for Java, C/C++, and other programming languages, has been released in version 2026-03. It is available not only as a standalone development environment, but its ...

Eclipse, the open-source IDE for Java, C/C++ and other programming languages, has been released in version 2025-09. A new feature is the ability to compare selected text in the editor with the ...

The Java IDE market is currently a four-way battlefield between Eclipse, IntelliJ, JetBrains‚ NetBeans, and Oracle JDeveloper. (Borland’s announcement that it is getting rid of JBuilder and trying to ...

The Eclipse Foundation has released Eclipse IDE 2026-06, the second quarterly simultaneous release of the Eclipse IDE platform this year, with support for Java 26 and updates across the Java platform, ...