.PNG File Extension

Picasa 3 can open, edit, create and print .PNG files

Apache OpenOffice can open and print .PNG files

IrfanView can open, edit, create and print .PNG files

Dia can open, edit, create and print .PNG files

XnView can open, edit, create and print .PNG files

Paint.NET 3.36 can open, edit, create and print .PNG files