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

Sara Soueidan

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

Joseph Labrecque, ‏@JosephLabrecque

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

Jan Paepke, @janpaepke

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

Petr Tichy

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

Tim Jaramillo

“ 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

“ ...obviously GSAP is incredible ”

Paul Irish

Google

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

James Stone, @mimeartist

“ 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