Storyly - Bring superb stories to your app
Iconosquare - Schedule now. We'll post on Instagram for you later!
InAppStory - Engage your customers with Stories right from your app or mobile web product with InAppStory.
Grum - Post on Instagram from your computer!
Zuck.js - JavaScript library that lets you add Stories everywhere
Instaplus - Instaplus is an Instagram automation solution that utomatically likes, comments, follows, and unfollows the target audience.