Storyheap - Manage your SnapChat and Instagram stories.
Unfold - Create beautiful and engaging stories with minimal and elegant templates. As well as a landingpage for all your links
Stori - The best way to analyse your Instagram Stories ๐ ๐ฆ
Zuck.js - JavaScript library that lets you add Stories everywhere
Storyly - Bring superb stories to your app
GIPHY Stickers for Instagram Stories - Add fun GIF stickers to any photo or video in your story