Shark is an open-source preprocessor for Java that lets you do more with less. Shark makes Java sharper by adding Apache Velocity-style
foreach loops and property getters, C#-style property setters, and more.
Shark includes a commandline tool as we
Freefactor is a Java refactoring framework. It consists of a tool-independent refactoring system and an interface to allow it to be integrated with other tools. Currently a prototype Java-based tool is provided as well as bindings for Emacs.
The Voodoo compiler is an implementation of the Voodoo programming language. It provides both a stand-alone compiler executable and a Ruby API for generating code for target platforms.
What is a domain-specific language intended for constructing web
services on top of ordinary web pages, or otherwise automate
web-related tasks.
Using a powerful pattern matching sublanguage, What strives to be for XML/HTML what Perl is for text analysis
Djarva - object language, compiler and virtual machine
Djarva is object language inspired by Ruby and Java languages. Djarva project includes Djarva language, Djarva language to Djarva bytecode compiler and Djarva virtual machine accepting Djarva bytecode. Whole solution is implemented in the Java language. Djarva compiler is based on JKIT (see http://homepages.ecs.vuw.ac.nz/~djp/jkit/).