Macaw from Exyte is an open source library for vector graphics in Swift with support for SVG files and animation.
The library provides a simple syntax for drawing both graphics, and text, and also for positioning those graphics. Affine transformation, user events, and a number of great animation effects are built into Macaw.
This animation shows Macaw in action:
You can find Macaw on Github here.
A fantastic library for drawing and animating vector graphics.