Since it is written in Python, you should be able to get it running on Windows if you can fix the dependencies listed in ~dlynch3/rapid/zeromq_pyqt : contents of requirements.txt at revision 1284
I don’t have a lot of Python experience, but I think the hardest part is going to be gPhoto2. WSL might work for that, though its usb device support is still a bit iffy.
See also this thread: Photo importer for Windows