“ Performance has been of paramount importance for GreenSock, so there is always peace of mind for us, developers. ”

Tahir Ahmed

“ If every library were as robust and reliable as GreenSock’s, the world would be a much better place for software engineers and their clients. I can't think of a better designed or better performing tool, and as a bonus, it's fun as heck to play with. ”

Thomas Summerall

“ There is no doubt that GreenSock is currently the best available tool for creating astonishing interactive websites and animation effects. ”

Petr Tichy

“ Go and browse through FWA or Awwwards, then view source of anything you see that has cool animation and you will be surprised how widely GSAP is used. ”

John Polacek

“ ...obviously GSAP is incredible ”

Paul Irish

Google

“ GreenSock is the best thing that happened to SVG animations since SVG animations. ”

Sara Soueidan

“ It's shocking the @w3c didn't use @greensock as a model of how to do animation via code. Did they even ask animators what they use? ”

Elliot Geno, @ElliotGeno

“ GSAP was a revelation for me to be compared with the introduction of jQuery ”

Jan Paepke, @janpaepke

“ Honestly think without TweenMax, I'd of changed careers by now; it's that good. ”

James Stone, @mimeartist