Storyheap - Manage your SnapChat and Instagram stories.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Storyly - Bring superb stories to your app
MIT App Inventor - App Inventor is a cloud-based tool, which means you can create apps for phones or tablets right in your web browser.
Bannerbear - Auto-generate IG Stories, Pinterest Pins and more
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.