Rive Renderer — now open source and available on all platforms (rive.app)

The Rive Renderer is a collection of open-source libraries and tools for building interactive animations on any platform. With the Renderer, you can create animations that are performant, cross-platform, and easy to integrate into your projects. The Renderer is designed to be extensible, so you can add your own custom features and functionality. It also comes with a variety of built-in features, such as support for skeletal animation, physics, and particle effects.