Java-based framework for decoupling back-end services and front-end interfaces. Browse and interact with a database, a class library, a network, a log file, or any live java object as though it were a filesystem. (It works with filesystems too!)
Deskblox is a scripting engine that integrates simple graphical widgets seamlessly onto the desktop. Widgets can be authored using JavaScript or Python.
The Cog Engine Project is aimed at simplifying the creation of online video games. The goal is to create a flexible and powerful online gaming engine whose format is simple enough for use by individuals with no programming experience.