The company was known in the Java developer community for its product RefactorIT, an open source refactor plugin for Java IDEs (Eclipse, Sun ONE Studio, Borland Software's JBuilder, Oracle's JDeveloper, NetBeans and Emacs).
JBuilder's main competitors are the products from Eclipse Foundation (Eclipse), JetBrains (IntelliJ IDEA), and Oracle (JDeveloper and NetBeans).
There are several different ways to create MIDP applications: code can be written in a plain text editor, or one can use a more advanced IDE such as NetBeans, IntelliJ (with bundled Java ME plugin), or Eclipse (with plugins such as EclipseME) which has a user interface for graphically laying out any forms you create, as well as providing many other advanced features not available in a simple text editor.
MPLAB X is not a new version of the current MPLAB IDE v8 framework but is instead based on Oracle's open-source NetBeans platform.
TestNG is supported, out-of-the-box or via plug-ins, by each of the three major Java IDEs - Eclipse, IntelliJ IDEA, and NetBeans.