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Portable Network Graphic

Ads	OS	Software
	WINDOWS	Adobe Photoshop XnView ACDSee Photo Manager IrfanView Windows Live Photo Gallery RealWorld Icon Editor SWFTools Illustrator Extreme XnConvert
	MAC	Preview
	Linux	darktable

Corel PaintShop Photo Pro Browser Catalogue

OS	Software

Adobe Fireworks Proprietary PNG

OS	Software
WINDOWS	Adobe Fireworks SWFTools