Open Source IDEs in Java

BlueJ is an integrated Java environment specifically designed for introductory teaching.

Cube-J is an open source light weight IDE for Java. Cube-J's Features: * Java Editor * Line Number * Line Highlight * Keyword Coloring * Auto Indent * Auto Bracket * Compile * Run Application/Applet * File Explorer * Class Outline * Console * Docking Framework * Code Complete * Multiple Look and Feel

DrJava is a lightweight development environment for writing Java programs. It is designed primarily for students, providing an intuitive interface and the ability to interactively evaluate Java code. It also includes powerful features for more advanced users.

EasyEclipse 1.2.1 has been released! EasyEclipse packages together Eclipse, the open-source software development platform, and selected open source plug-ins. This new version is based on Eclipse 3.2.1 Callisto. Ten distros of EasyEclipse are available (Expert Java, Desktop Java, Server Java, Mobile Java, Plugin Warrior, LAMP, PHP, Ruby/ Ruby on Rails, Python and C/C++), so there must be one to fit your needs. Enjoy EasyEclipse, and thanks for the 150000 + downloads we had since the 1.0 release!

Eclipse is a kind of universal tool platform - an open extensible IDE for anything and nothing in particular.

J is a text editor written entirely in Java and distributed under the GNU General Public License.

jEdit is a mature and well-designed programmer's text editor that has been in development for over 5 years.

A full-featured integrated environment for Java Developers

tIDE is a Java integrated development environment(IDE). tIDE is a small, powerful, quick, efficient, easy and open framework to create 100% Java applications. tIDE requires a JRE version 6 to run. However, tIDE can be used to develop with any of the JDK version 5, 1.4, or even 1.2. tIDE supports many of the new advanced debug tools from JDK6.