GSAP
gsap.com
The animation engine everything else is measured against
MotionFreeJavaScript
by GreenSock@greensock
React Spring
Spring physics for React
Live site
react-spring.dev
Preview React Spring inline
Loads the real site in a frame. Some sites block embedding — if it comes up blank, use Open instead.
What it is
Animation driven by physics rather than duration curves. Interruptible by design, which is what makes gesture-driven UI feel correct.
Get started
terminal
Tags
physicsreactsprings