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Portable Network Graphic

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	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

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Adobe Fireworks Proprietary PNG

OS	Software
WINDOWS	Adobe Fireworks SWFTools