Top 20 NuGet animation Packages

ShimmerLayout can be used to add shimmer effect (like the one used at Facebook or at LinkedIn) to your Android application. Beside memory efficiency even animating a big layout, you can customize the behaviour and look of the animation.
Lottie for UWP
A collection of useful components for Duality
Best with various WinForm transitions. C# WinForm Transition Library - Harley
Just-add-water CSS animations
A UWP SplashScreen animation by the Composition API.
Animated Pencil Action view for Android.
Another floating action button menu with expand/collapse behavior. Demo available on https://github.com/rofiqsetiawan/OneMoreFabMenuDemo
Like Button is a library that allows you to create a button with animation effects similar to Twitter's heart when you like something.
Spine is a 2D skeletal animation tool for game development and other animation projects.
Simple yet powerful skeleton animation for all view in Android.
Image Cropping Library for Android
Image Cropping Library for Android (Native Version). This is native code version to preserve image quality.
This library is the implementation of TabLayout as seen on popular messaging app Snapchat Snapchat.com. It can be used to animate Three or Five tabs.
TTFancyGifDialog makes your Android Dialog Fancy and more Beautiful. A library that makes normal Android Dialog to high level Dialog with many styling options and fully customizable. Make dialog from few lines of code.
An infinite scrolling timeline to pick a date for Android
Describe your animation and run!
An Android transformation library providing a variety of image transformations for Glide.
A ConstraintLayout group that allows for simple staggered animations
ImageView and FrameLayout with gestures control and position animation