“ 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

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

Tristan Mugford, @tmugford

“ @greensock it’s a great library that many people love, and I know you care deeply about performance :) ”

Paul Lewis, ‏@aerotwist

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

Joseph Labrecque, ‏@JosephLabrecque

“ ...obviously GSAP is incredible ”

Paul Irish

Google

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

John Polacek

“ 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

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

Petr Tichy

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

Adam Alicki