ScrollMagic is WordPress version of ScrollMagic.io jquery.

Scroll Magic helps you to easily react to the user’s current scroll position. It’s the perfect plugin for you if you want to …

• Animate based on scroll position – either trigger an animation or synchronize it to the scrollbar movement (like a playback scrub control).
• Pin an element starting at a specific scroll position – either indefinitely or for a limited amount of scroll progress (sticky elements).
• Effortlessly add parallax effects to your website.
• Much and more..