What are some alternatives?
When comparing Storie and Snapchat Custom Stories, you can also consider the following products
Balloon - A drop box for your Dropbox
Snap Kit - Grow your app with Snapchat’s best features
Storyheap - Manage your SnapChat and Instagram stories.
WhatsApp Status - An encrypted Snapchat Stories clone
Medium API - Official Medium API
Loxi - Easily add an events calendar to any website.