What is the difference between LUTx free and the paid version?

The free version of LUTx can load LUTs through a file chooser and has a set of included camera LUTs.  If you buy any of our LUT collections, then you can also use our graphical LUT manager to build and manager your own collections.

See details here:     http://www.coremelt.com/products/lutx/lutx-free.html

And here:               http://www.coremelt.com/products/lutx.html