standalone because, changing maps with engine on^^
If this is the only reason, then ME7.5 with the roadrunner emulator from Moates can do the same.
That said, with the good logging and very fast flashing times of the Nefmoto flasher, the only times I even bother with it, is when I have to tune the whole ignition map on the dyno.
Rest of the time, the flashing overhead is so small, that it's not worth it using an emulator. 95% of the time is anyway spent on reading logs and making adjustments.