“ 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

“ ...obviously GSAP is incredible ”

Paul Irish

Google

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

Sara Soueidan

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

John Polacek

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

Tim Jaramillo

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

Jan Paepke, @janpaepke

“ This stuff is so incredibly amazing I can't believe it. The level of details and options put into these things and the natural instinct GreenSock has for solving everyday problems is impressive. ”

Jens Ahrengot Boddum

“ 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