Theatre.js is an open-source and hackable motion design library with a visual interface. It helps you animate THREE.js scenes, SVG trees, or even choreograph light shows.
Exploring alternatives to Theatre.js? Try Rive for interactive graphics and runtime control, Animate Components for React-first motion primitives, and CSS Wand for quick, copy-paste effects. Need particles? Particular Drift turns images into flowing particle art (FOSS). Prefer Web Animations API across frameworks? Check out PureAnim.