Lax.js - Create beautiful & smooth animations when you scroll
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
ScrollMagic - The jQuery plugin for magical scroll interactions.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.
WOW.js - Animate elements on-scroll to catch attention. Such Magic.
AppsGeyser - Appsgeyser is the easiest to use DIY native mobile app creation platform.