brew install libpng
brew install homebrew/dupes/zlib

X11 with the XTest extension (also known as the Xtst library)

package main

import (
	//. "fmt"

	"github.com/go-vgo/robotgo"
)

func main() {
  robotgo.ScrollMouse(10, "up")
} 

package main

import (
	//. "fmt"

	"github.com/go-vgo/robotgo"
)

func main() {
  robotgo.TypeString("Hello World")
  robotgo.KeyTap("enter")
  robotgo.TypeString("en")
} 

package main

import (
	. "fmt"

	"github.com/go-vgo/robotgo"
)

func main() {
  x, y := robotgo.GetMousePos()
  Println("pos:", x, y)
}