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
Learn Java the easy way!
Growth-grammar related Interactive Modelling Platform
Transcribe Parsing Expression Grammar into a parser written in Java.
Performance and Productivity at Scale
A native Windows port of the GNU Compiler Collection (GCC)
HATE's an ASN.1 Text Editor.
The fast lexer generator for Java
android app for CodePad.org & ideone.com
A PEG based parser generator, with advanced features
A Java library for creating DFA-powered lexical analyzers