OpenEmulator
http://www.openemulator.org/

Lead Developers

Project Contributors
  Tobias Eriksson (cmake build scripts)
  David Finnigan (testing of default memory patterns on the Apple II)
  Vladimir Ivanoff (ideas on accurate CPU and video emulation)
  David Schmidt (extensive testing of Apple III)
  Dirk Thierbach (ideas for the component framework)
  Nick Westgate (ideas for the Disk II emulation)

Previous Developers
  Marc S. Ressl <mressl@gmail.com> (lead developer, libemulation, libemulation-hal, libdiskimage, Mac OS X GUI)