	Adobe Reader by Adobe Systems®, Incorporated Adobe Reader software is the free global standard for reliably viewing, printing, and commenting on PDF documents. It can open and interact with all types of PDF content, including forms and multimedia.
	Adobe Acrobat by Adobe Systems®, Incorporated Adobe Acrobat is a family of application software developed by Adobe Systems to view, create, manipulate, print and manage files in Portable Document Format (PDF).
	XnView for Windows by XnView XnView is a cross-platform image viewer used for viewing, converting, organising and editing graphical & video files. It is free of charge for private non-commercial, educational use and non-profit organisations.