EiffelStudio is an IDE for the Eiffel language (ECMA-367, ISO/IEC 25436). It has: an Eiffel compiler, an Eiffel GUI editor, a refactoring tool, Eiffel analysis tools and Eiffel libraries. Eiffel applies O-O principles and Design by Contract for quality. http://www.eiffel.com
A cross-platform GUI, new language (eC), and 3D engine.
Liberator Java Persistence API is an open-source JPA solution developed by a group of chinese java developers who believe in open-source spirit. Liberator learns from all other O/R project and comes with a new envolved design and high-quality java code.