Heritage project
SkyEye — ARM Architecture Emulator
Originally at lists.gro.clinux.org · gro.clinux.org/frs (skyeye)
SkyEye was an open-source instruction-set simulator for ARM and other embedded architectures. The mailing list lived at lists.gro.clinux.org and the release archive lived under gro.clinux.org/frs. It was widely used in Chinese university embedded-systems coursework.
What it was
SkyEye simulated complete ARM-based development boards in software, including peripherals like UARTs, network interfaces, and storage. Students and developers could run unmodified embedded Linux kernels and bootloaders on the simulator without needing physical hardware — a substantial cost saving for university programs and a useful debugging environment for kernel developers.
Community
The skyeye-developer mailing list, archived at lists.gro.clinux.org/pipermail/skyeye-developer/, was the working venue for kernel-level questions, ARM emulation issues, and patch coordination. The list was indexed and cited by Stack Overflow answers and macOS-emulation tutorials when developers needed an ARM simulator that ran on non-Linux hosts.
Modern alternatives
QEMU has been the dominant open-source instruction-set simulator since the late 2000s and supports the ARM emulation use cases SkyEye originally addressed. The SkyEye project itself moved between hosts over the years; the SourceForge mirror remains the most reliable archive of the historical releases.