“ Aside from GreenSock’s laser-focused attention to detail, GSAP is fast, reliable, flexible, exceptional value (read: free in most cases) and, very importantly, supported. ”

Chris Gannon

“ 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

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

Chrysto Dimchev

“ 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

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

Jan Paepke, @janpaepke

“ ...obviously GSAP is incredible ”

Paul Irish

Google

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

Tristan Mugford, @tmugford

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

Robert Anthony

“ The GreenSock animation platform is one of the most useful sets of tools in existence when it comes to web animation. ”

Ben Rugg