Storyly - Bring superb stories to your app
WhatsApp Status - An encrypted Snapchat Stories clone
InAppStory - Engage your customers with Stories right from your app or mobile web product with InAppStory.
FastAd Market - Advertise on any social media platform using just one Ad. Make money when you share other Ads on the timeline.
Zuck.js - JavaScript library that lets you add Stories everywhere
Facebook Stories - Snapchat clone rolled out to users worldwide