GSAP for the Web GSAP (GreenSock Animation Platform) is the workhorse for code-driven web motion: sequenced timelines, scroll-driven storytelling, text reveals, and layout transitions. As of GSAP 3.12+, every plugin (ScrollTrigger, SplitText, Flip, MotionPath, MorphSVG, Draggable, Observer) is 100% free, including for commercial use. When to use - Scroll-driven storytelling: pinned sections, parallax, progress scrubbing, horizontal scroll - Sequenced hero animations and complex multi-element timelines with precise overlap control - Text reveals split into chars/words/lines (SplitText) - Layou…