MOS Technology 6502 processor multi-targetting assembler
Tilem is a complete rewrite of the popular ROM tile editor Tile Molester. It is currently under heavy development and a release is scheduled for early 2010.
Set of development tools to build Nintendo Entertainment System binaries
A Gameboy Advance emulator written in Java a few years ago. This project aims to port it to the NetBeans platform.
A port of the Sun Game Server (aka Project Darkstar) C client APIs to libnds.