“ 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

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

Tahir Ahmed

“ 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

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

Tristan Mugford, @tmugford

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

LilaQ

“ 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

“ 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