CherryOS was a PowerPC G4 processor emulator for x86 Microsoft Windows platforms, which allowed various Apple Inc. programs to be operated on Windows XP. Announced and made available for pre-orders on October 12, 2004, it was developed by Maui X-Stream (MXS), As CherryOS withdrew, this money became largely unnecessary, and was later donated to the Software Freedom Law Center, who represented individual developers of PearPC.

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After a delay, CherryOS 1.0 was released in its final form on March 8, 2005. Maui-X Stream initially offered a free copy for evaluation

  • "CherryOS goes open source" - article by Jim Dalrymple for MacWorld (April 2005)