Two models that weren't discussed: Sketch App - $99 once, $99/yr if you want upgrades (I did not) Wordpress model - Core is FOSS, money is made with custom pl

Two models that weren't discussed: Sketch App - $99 once, $99/yr if you want upgrades (I did not) Wordpress model - Core is FOSS, money is made with custom plug-ins that can be priced freely.