Softgun is an embedded system emulator. It emulates an ARM9 CPU with MMU, Renesas R8C/M16C/M32C, Atmel AVR, PCI bus, I²C-Bus, network controllers, Flash, SD-Cards, and CAN-Bus.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.