Mac users interested in Openemu for mac 10.5.8 generally download:
Work with a toolset for emulating classic console games on modern Mac machines. Check out various settings for optimizing performance and customizing controls. Add, browse, organize, and select individual titles, create custom profiles for running them, etc.
An emulator for legacy computer systems
OpenEmulator aims is an easy to use, accurate, portable emulator of legacy computer systems.
By using a software components framework, it is easy to expand a software emulation with additional software devices, just as a real system could be expanded with real devices.