NES/Famicom emulator based on FCE Ultra.
Z80 shared library including some nice test-projects
Software development for 4Mb portable, using Z80 CPU and AA batteries
Transfer disks and disk images between the Apple II and the real world
C-BIOS is an open source BIOS for MSX computers.
Multi-System Emulator
A merge of the original Visual Boy Advance forks
A low-power ISA design and simulator for a 2010 IEEE competition
PlayStation 2 emulator for Windows and Linux
a very fast full system simulator
A 65C02 Emulator for Microchip PIC24/33
Complete, Fast, Accurate, Game Boy/CGB/SGB Emulator.