Adobe's Portable Document Format (PDF) is an open file format for electronic document distribution. The PDF format preserves all of the fonts, formatting, colors, and graphics of any source document, regardless of the application and platform used to create or view it. PDF files can be viewed and printed exactly as intended by anyone with a suitable PDF-compatible viewer.
Software relating to Adobe's Portable Document Format (PDF) file format; including creation, conversion, and editing tools.
Software to work with PDF file formats. Downloadable, desktop tools versus online/web tools. Please see the Online Tools category for web applications.