Navigation toolbar is a slide-modeled UI navigation controller
DirectSelect is a selection widget with an ethereal, full-screen modal popup displaying the available choices when the widget is interact with.
A slider widget with a popup bubble displaying the precise value selected. Android library made by @Ramotion
ExpandingCollection is a card peek/pop controller
PaperOnboarding is a material design slider
FoldingCell is an expanding content cell inspired by folding paper material