⛓ Chain multiple UIView animations without endlessly nesting in completion closures. Used in some of the more superfluous animations in the OK Video app.
MotionScape is your animations playground as a developer. You can see all animations and their parameters in effect with beautifully designed and handcrafted animation examples.
SkeletonUI aims to bring an elegant, declarative syntax to skeleton loading animations. Get rid of loading screens or spinners and start using skeletons to represent final content shapes.