Open-source plugins included in the distribution of IntelliJ IDEA
The professional, open source development tool for the open web
Literate programming for eclipse
a DSL for type systems, reduction rules, interpreters for Xtext langs
A free, portable, fast and simple C/C++ IDE
Develop AMX NetLinx projects in the Sublime Text editor.
Develop Crestron Simpl+ modules in Sublime Text.
A tiny and lightweight IDE for the Go programming language
Tools to support the learning of the C programming language
Turn gVim into a Crestron SIMPL+ IDE.
PHP Support for GNU Emacs
Graph algorithms interpreter, IDE, debugger, 3D visualizations.
JetBrains Meta programming System
An Eclipse plug-in for the IBM FileNet P8 Content Engine and CMIS
The Scratch mod, Tiger