a DSL for type systems, reduction rules, interpreters for Xtext langs
Serial Communication between Java and Arduino made simple.
Java datastructures and algorithms extensions
Java RDF Framework
Database explorer to MySQL, Oracle, Sybase & others. Source maker JSF.
JFig is a simple, powerful tool to manage application configuration
Tarte project provides common API libraries among multi-languages.
A simple, LISP-like programming language.
An example project to demonstrate continuous integration, in Java.
Create XML and JSON data services from any data source
Cachelet - the simplest java framework for general purpose caching
Java performance analysis tool