NMPopUpView is a simple class for iOS that shows nice popup windows, written in Swift. The project is build with Swift 4.0, so you need Xcode 9.0 or higher to use it.
NMPopUpView
Related Posts
FragNav
An Android library for managing multiple stacks of fragments
AnimatedBottomBar
A customizable and easy to use bottom bar view with sleek animations
ChipNavigationBar
An android navigation bar widget