It is a Pulp Fiction reference but I agree it is confusing. We'll refine the intro and the CTA on the webpage, great feedback.
Our core will always be free (Apache 2.0 license) and our commercials will be based on the following models: 1) A hosted solution in the future 2) Premium features on top of our core (To ease deployment, administration and integrations with Enterprise security products) 3) Vertical specific solutions for regulated industries like Healthcare and Finance.