Is there a list of this stuff.. presorted to remove the crackpottery?

Not that I know of. A lot of these devices and inventions are still in the indeterminate realm between crackpottery and established tech, so it would take some work to make that list, eh?

FWIW, there are a few people who seem to me to try to do a good faith investigation of some of this (weird) stuff (E.g. http://jnaudin.free.fr/ )

Some of the things are pretty conventional (compared to free energy devices) such as the Vaneless ion wind generator: https://en.wikipedia.org/wiki/Vaneless_ion_wind_generator