The IDE for competitive programming
IntelliJ IDEA & IntelliJ Platform
Apache NetBeans
JUCE is an open-source cross-platform C++ application framework
A fast and lightweight IDE
Nyquist is a language for sound synthesis and music composition.
jEdit is a programmer's text editor written in Java.
Global Software Defined Radio at Your Fingertips
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Vampirio Code, a great Code Editor and Compiler
NotepadXX: A Lightweight, Powerful Text Editor for Every User
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
AndroidIDE is an IDE for Android to develop full featured Android apps
Axel-DICE Code Editor For Windows,Linux
Web IDE in single HTML file
OS bootable from Linux,Windows and others partitions as auxiliary OS
Java bytecode editor
Atom package - Activate POWER MODE to write your code in style
A multi-language code editor with syntax highlighting and templates.
An open source gui frontend application for GNU Octave
Mini Java IDE and Swing builder
Octave Eclipse GUI