“ GSAP and CSS Transitions: I've done both, and its like comparing an F16 to a horse. Take like 10 minutes to try. ”

Vic C., @puppetMaster3

“ I’ve long felt like GSAP is the best kept secret in JavaScript. ”

John Polacek

“ 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

“ Spent today converting an animation to pure CSS, and then into GSAP. GreenSock was an order of magnitude easier. Love it. ”

Tristan Mugford, @tmugford

“ The best thing about GSAP is that it just works, and it works well. On every single browser I’ve tested. ”

Chrysto Dimchev

“ ...obviously GSAP is incredible ”

Paul Irish

Google

“ GreenSock has encouraged me to play with the code, to dream up new and exciting things to do. ”

Robert Anthony

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

James Stone, @mimeartist

“ Really quite impressed with @GreenSock JS - even the small things. ”

Joseph Labrecque, ‏@JosephLabrecque