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

Tristan Mugford, @tmugford
“GSAP makes my job fun, because it allows me to focus on creating rich, engaging web experiences, while GSAP handles much of the implementation details behind the scenes.”

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

Petr Tichy
“Every time a new GSAP plugin is introduced, I'm close to bursting from excitement. The simplicity of the GreenSock API makes learning and applying these tools in projects such a dream.”

Ryan Mulligan
“I was astonished by the speed and versatility of animating with GSAP.”

Victor Warno
“@greensock is just pure awesomeness. What more can be said?”

Jeff Batt, @jeffbatt01
“Reading through the GreenSock docs; been amazed like 14 times so far! How can a library be SO complete? Been using that for about 2 years now but man... This the first time I feel this way about a library.”

Vahid
“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
“Any time I've struggled to achieve a complex animation in CSS alone, I've never regretted using @greensock 's GSAP. After all these years, and impressive competitors, it's still Best In Class.”

@perrygovier