Appsembler is an Etsy for software makers. With Appsembler, developers can offer their software as a hosted service and launch a SaaS business in 5 minutes.
"Appsembler lets you grab your code from GitHub, pop it on their platform as a service and provide your billing all in a few clicks. Whatever the next level above PaaS is, Appsembler is it." http://gigaom.com/cloud/apis-and-data-dominate-techstars-cloud-demo-day/