A serious open source alternative to A52%? Quite not yet.
1. Only BD drive emulation, no CD or DVD drive emulation, so third party applications expecting a CD or DVD drive are not going to work with images mounted with WinCDemu. It’s ironic WinCDemu is totally failing at CD emulation
2. Does not support empty drive which can be a problem with many third party applications where some features are only available when an empty drive is detected