Apache NetBeans
Lightweight Java IDE with syntax highlighting and convenient features.
IntelliJ IDEA & IntelliJ Platform
A powerful text/code editor for Android
The IDE for competitive programming
jEdit is a programmer's text editor written in Java.
AndroidIDE is an IDE for Android to develop full featured Android apps
NotepadXX: A Lightweight, Powerful Text Editor for Every User
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
An open source gui frontend application for GNU Octave
Jxt4RunPlusJ is a source code editor and creator.
Mini Java IDE and Swing builder