Seems like there are two ideas here. 1. A way to keep your data/parts of your business after you've been kicked off a platform. I say parts because amazon is m

Seems like there are two ideas here. 1. A way to keep your data/parts of your business after you've been kicked off a platform. I say parts because amazon is much more than just OMS, CMS, support platform. 2. Tools to build a marketplace. Which, besides being open source, how is this idea different than https://www.sharetribe.com/ https://www.sharetribe.com/?