It never occurred to me to judge a flashing tool based on its internal architecture and language/framework choice.
I judge it based on whether I get a bootable bit of flash out the other side.
I judge it based on whether I get a bootable bit of flash out the other side.
Even ignoring those last two, which just seem gross, running an entire web browser to accomplish the same thing as a 1MB native application is like using an anvil as a hammer. Yeah, it'll work, but why?