clickTk is a graphical editor to generate Perl/Tk GUI.
Simple and lightweight text editor
Portable source code librarian
Mini Java IDE and Swing builder
An GUI editor to Pick/D3 programming
Create structured binary files from XML data.
Python script coding editor that debugs as you write
bcPad is an open source, text editing program, similar to notepad.
ncurses VCard 3.0 contact management editor
Simple C++ library for path manipulation
WYSIWYG html editor for .NET (C#, VB.NET)
JetBrains Meta programming System
BPMN Web Designer
An editor for Java 3D scenes
Signal Interpreted Petri Net Laboratory
StarlingPunk is a framework built on top the Starling library