Decompiler from Java bytecode to Java, used in IntelliJ IDEA
A reverse engineering suite (decompiler, editor, debugger and more)
Manifold is a Java compiler plugin, features include Metaprogramming
The Ballerina Programming Language
A decompiler for Lua 5.x
Transcribe Parsing Expression Grammar into a parser written in Java.
JPHP - an implementation of PHP on Java VM
An open source Java decompiler Gui for Procyon
Java interpreter with Forth-like syntax, use it for testing java libs
Translate java source into another language
Java Bytecode Viewer & Decompiler
HATE's an ASN.1 Text Editor.
Problemless Grammar and Parser in Java
An experimental programming language
An HDL alternative to PCB graphical schematic capture tools.
A Java library for creating DFA-powered lexical analyzers
C-Lesh is a game programming language for 2D games.
A tool to convert C++ definitions into XML