It is developed exclusively for [http://www.morphos.de/ MorphOS].<br />[[PulkoMandy]] is maintaining the port for [https://www.haiku-os.org/ Haiku].
Also worth mentioning is [[ACE-DL]], a derivative version of ACE with it's unique strengths and available for Windows, macOS and Linux.
ACE was coded from scratch, using a real CPC as a reference in order to provide one of the best Amstrad CPC emulator ever.<br />