EA-PDF is a new project to define the essential characteristics and optimal functional requirements of email messages and necessary related information in a PDF technology-based archive.

Print workflow and metadata standards are used to communicate the intended appearance, processing steps, or job tickets for printed products through the use of existing PDF features.

ISO 32000 is the family of ISO standards that defines the core PDF specification for both PDF 1.7 and PDF 2.0.

PDF/VCR enables variable data printing applications using PDF template-based variable content substitution and a framework for in-RIP variable content merging.

The ISO 16612 family of standards defines PDF/VT for supporting variable data and high-volume transactional printing. PDF/VT builds on top of PDF/X.

The ISO 15930 family of standards define PDF/X, which support the graphic arts and professional printing sectors.

RFC 8118 defines the application/pdf Media Type and provides an overview of PDF fragment identifiers.

PDF 1.7 introduced interactive 3D support using the U3D file format. PDF 2.0 expanded 3D support to include the ISO PRC format, and an ISO extension will soon be published supporting STEP (AP242) 3D models.

ISO 16684 is the ISO family of standards that defines XMP (eXtensible metadata platform) for XML-based metadata. XMP is widely used across PDF and other file formats, and is mandated by many ISO PDF subsets.

ISO 19444 specifies an XML format for representing forms data and annotations in ISO 32000-2 (PDF 2.0). It is the XML equivalent of FDF.