An implementation of the language described in "Karel the Robot: A Gentle Introduction to The Art of Programming" by Richard Pattis et al. Both Java and C/Unix versions are available.
This project is aimed at developing an iconic programming language (IPL) which compiles to Java in order to help pre-CS students build stronger models of programming concepts. Project has moved to http://code.google.com/p/jubjub/
The OpenPC^2 project aims to develop a free, easy-to-use,
and flexible programming contest control system.
Our goal is to provide an open-source implementation of PC^2
and help people to hold programming contests like ACM/ICPC.
The project is supposed to offer an easy-to-use intruduction into java-based game development and is ment to be understandable for pupils so they can create small games on their own very fast with little knowledge in programming.
jMARS is a java implementation of the famous "Core Wars" application first described by A.K. Dewdney. Using eXtreme Programming combined with Java, EJB, and the Rich Client Platform it can be used as an educational tool to understand these technologies