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

Tahir Ahmed

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

Tim Jaramillo

“ 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

“ ...obviously GSAP is incredible ”

Paul Irish

Google

“ GSAP is just miles and miles ahead of any animation library out there. Great work! ”

Adam Alicki

“ 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

“ 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

“ Go and browse through FWA or Awwwards, then view source of anything you see that has cool animation and you will be surprised how widely GSAP is used. ”

John Polacek