ScrollMagic helps you to easily react to the user's current scroll position. It's the perfect library 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). jCarousel is a jQuery plugin for controlling a list of items in horizontal or vertical order. It provides a full-featured and flexible toolset for navigating any HTML based content in a carousel-like fashion.
Okular is a universal document viewer developed by KDE.Okular works on multiple platforms, including but not limited to Linux, Windows, macOS, *BSD, etc.