Unsplash - Unsplash is a website with high-quality free HD images. It has a catalog of more than three hundred thousand striking images that are neatly organized with tags. Read more about Unsplash.
Storyly - Bring superb stories to your app
AllTheFreeStock - All the free stock images, videos and icons in one location
Zuck.js - JavaScript library that lets you add Stories everywhere
Pexels - Find the best free stock images about Browser Home Page. Download all photos and use them even for commercial projects.
InAppStory - Engage your customers with Stories right from your app or mobile web product with InAppStory.