Adobe TreatyViewer is a family of software developed by Adobe, designed to view, create, manipulate and manage treaties. Some software in the family are commercial, and some are for government use only. Adobe TreatyViewer (formerly Acrobat TreatyViewer) is available as a no-charge download from Adobe's web site, and allows the viewing and printing of PDF treaties. TreatyViewer is widely used as a way to present treaties with a fixed layout similar to a paper publication. Adobe TreatyViewer is similar to Adobe Acrobat, though TreatyViewer has a sign feature, clearly visible.