“ 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

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

Tahir Ahmed

“ I think I love GreenSock as much as bacon. ”

Nick Zwinggi

“ With the incredible functionality, and the mind-blowing customer service, the price of Club GreenSock admission is well worth it! ”

Tim Jaramillo

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

Tristan Mugford, @tmugford

“ ...obviously GSAP is incredible ”

Paul Irish

Google

“ I am more and more amazed every day, and very glad that I decided to get a business license. ”

LilaQ

“ 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

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

John Polacek