Complex sentence: Recently, a virtual theatre organ called the MidiTzer was developed by Jim Henry, available as a free download for Windows-based PCs or Linux machines under Wine (software), and uses MIDI keyboards.
Split into simpler sentences: Recently, a virtual theatre organ called the MidiTzer was developed by Jim Henry. It is available as a free download, runs on a Windows-based PC or Linux machines under Wine (software), and uses MIDI keyboards.