Neat idea! I might consider pushing a free trial more since this feels like the type of product someone could begin to rely on and then be more likely to upgrade. A few positive testimonials wouldn't hurt.

A couple minor link fixes on your homepage, see here: https://triplechecker.com/s/230357/ginkgonotes.com.

1) Blog on footer is broken link 2) Affiliates on footer doesn't take you anywhere