[robinhoodexe]

It already exists on OS X[1], and it also works with Google Drive and a bunch of other cloud storage providers.

[1]http://www.zibity.com/macdropany.html

[CPLX]

This isn't the same thing though, the killer app feature of the OP's product is the fact that it handles removable media properly. I would very much like that feature on the OSX platform.

[rolfvandekrol]

Which basically is a limited grafical interface for `ln -s`.

[robinhoodexe]

True, but it works exactly as you'd expect it to.