JPHP - an implementation of PHP on Java VM
Pascal XE is an easy to use IDE for Pascal programming.
Easy reskin, clone and build android app.
Performance and Productivity at Scale
A visual-based IDE for C language uses block drag and drop technology
A polylingual IDE based on Lazarus
An object-oriented script language to embed in any application
Your language to speak with all.
Problemless Grammar and Parser in Java
Pure Trait-based Programming on the Java Platform
a DSL for type systems, reduction rules, interpreters for Xtext langs
An experimental BASIC language for Linux, Mac OS X, and Windows.
Powerfull & Simple Multilanguage IDE Independent Compiler & Debugger
Windows Free Pascal is a free source code editor for programmers
Magda language resource site
SuperWikia: The Runtime/Realtime Environment for Codesmiths