Adobe Portable Document Format (PDF) files provide a flexible method for transfering documents for a variety of end uses across a range of platforms and applications. The application required to read PDF files, Adobe Reader, is available free from Adobe.

Enfocus, an EskoArtwork company, provides modular and affordable tools safeguarding job quality throughout the complete production chain. Well-known product brands include Instant PDF, Neo, PitStop and Switch.

The Ghent PDF Workgroup is an international assembly of industry associations whose goal will be to develop and maintain PDF Specifications for the Publishing and Print Production Industry, using Enfocus Certified PDF as a reference implementation.

IDEAlliance is an established industry organization with a diverse and impressive membership that has been developing, educating and validating best practices in publishing and information technology.

Specifications for Web Offset Publications. A volunteer organization dedicated to improving the quality of publication printing, through the development of specifications and tolerances.