Narrative.ly is actually using Marquee as its frontend - http://marquee.by http://marquee.by. Great product with excellent customer service. I highly recommend

Narrative.ly is actually using Marquee as its frontend - http://marquee.by http://marquee.by. Great product with excellent customer service. I highly recommend it. The editing isn't quite as nice as Medium's at the moment, but the posts look nicer, particularly with photos, IMO.