Here are some cool header animations used in their official website – https://greensock.com/
See the Pen GSAP Homepage Demo 4 by Puneet Sharma (@webdevpuneet) on CodePen.
See the Pen GSAP Homepage Demo 3 by Puneet Sharma (@webdevpuneet) on CodePen.
See the Pen GSAP Homepage Demo 2 by Puneet Sharma (@webdevpuneet) on CodePen.
See the Pen GSAP Homepage Demo 1 by Puneet Sharma (@webdevpuneet) on CodePen.