The HLH Orion [1] had a GUI that was a copy of the Macintosh one, it kept the appearance as well as the API. [1] https://en.wikipedia.org/wiki/HLH_Orion https:

The HLH Orion [1] had a GUI that was a copy of the Macintosh one, it kept the appearance as well as the API. [1] https://en.wikipedia.org/wiki/HLH_Orion https://en.wikipedia.org/wiki/HLH_Orion