Programming in MS Paint
A lightweight programming environment for Java
An Open Source POWERLINK network configuration toolkit
Tools for developing qooxdoo Web apps
Electronic design and programming tools suite like Eagle, MpLab
DocBook Editing and Processing for Eclipse
Pure Trait-based Programming on the Java Platform
Simple text editor written in Lazarus
VTL (Velocity Template Language) edit support for the NetBeans IDE.
Develop AMX NetLinx projects in the Sublime Text editor.
Develop Crestron Simpl+ modules in Sublime Text.
Graph algorithms interpreter, IDE, debugger, 3D visualizations.