Repositories list

• pdf-issues

  Public
  Industry-based resolutions for issues and errata reported against any PDF-related specification

  pdfisoerrata+ 2

  pdfisoerrataindustrycorrections

  44 forks•9292 stars•199199 issues•00 pull requests•Updated Apr 17, 2026Apr 17, 2026

• pdf-declarations

  Public
  A definitive JSON representation of PDF Declarations https://pdfa.org/declarations

  metadatapdf

  metadatapdf

  Python

  •

  Creative Commons Attribution 4.0 International

  •00 forks•11 star•00 issues•00 pull requests•Updated Apr 9, 2026Apr 9, 2026

• pdf-cos-syntax

  Public
  VSCode extension for understanding and learning PDF syntax

  pdfvscodevscode-extension+ 2

  pdfvscodevscode-extensionvscode-snippetsvscode-language

  TypeScript

  •

  Apache License 2.0

  •22 forks•3333 stars•11 issue•00 pull requests•Updated Mar 31, 2026Mar 31, 2026

• pdf-extensions

  Public
  JSON data for PDF extensions

  Python

  •

  Creative Commons Attribution 4.0 International

  •00 forks•00 stars•00 issues•00 pull requests•Updated Mar 30, 2026Mar 30, 2026

• arlington-pdf-model

  Public

  pdf-association/arlington-pdf-model’s past year of commit activity
  A vendor- and implementation-independent specification-derived, machine-readable model of PDF.

  pdfdata-modeliso

  pdfdata-modeliso

  C

  •

  Apache License 2.0

  •1010 forks•103103 stars•3232 issues•00 pull requests•Updated Mar 30, 2026Mar 30, 2026

• pdf-differences

  Public
  Targeted PDFs demonstrating commonly seen PDF differentials and interoperability issues

  pdf

  pdf

  HTML

  •

  Apache License 2.0

  •00 forks•1313 stars•00 issues•00 pull requests•Updated Mar 20, 2026Mar 20, 2026

• PDF-RichMedia-Annotations

  Public
  Repository for RichMedia annotation documentation

  pdfrichmedia

  pdfrichmedia

  HTML

  •

  MIT License

  •11 fork•55 stars•44 issues•00 pull requests•Updated Mar 3, 2026Mar 3, 2026

• .github

  Public template
  Special template files for all repos

  00 forks•00 stars•00 issues•00 pull requests•Updated Feb 11, 2026Feb 11, 2026

• techniques-for-accessible-pdf

  Public
  Techniques for Accessible PDF

  pdfaccessibilitytagged-pdf

  pdfaccessibilitytagged-pdf

  11 fork•1414 stars•33 issues•00 pull requests•Updated Dec 4, 2025Dec 4, 2025

• pdf-corpora

  Public
  An index of PDF-centric corpora

  pdfpdf-filespdfs+ 2

  pdfpdf-filespdfstest-corpuspdf-corpora

  Creative Commons Attribution 4.0 International

  •1010 forks•172172 stars•00 issues•00 pull requests•Updated Jul 4, 2025Jul 4, 2025

• pdf20examples

  Public
  PDF 2.0 example files

  pdfisopdf-files

  pdfisopdf-files

  Other

  •2323 forks•110110 stars•22 issues•00 pull requests•Updated Jan 13, 2025Jan 13, 2025

• report-an-issue

  Public
  Reporting issues on any PDF Association publications, test suites, etc.

  pdfpublicationserrata+ 1

  pdfpublicationserratacorrections

  00 forks•33 stars•1818 issues•00 pull requests•Updated Nov 24, 2024Nov 24, 2024

• safedocs

  Public
  Artifacts from the DARPA-funded SafeDocs research program

  pdfpdf-filespdfs

  pdfpdf-filespdfs

  Python

  •

  Apache License 2.0

  •33 forks•2727 stars•22 issues•11 pull request•Updated May 25, 2023May 25, 2023

• PDF2NormRefs

  Public
  ISO 32000-2 (PDF 2.0) Normative References tree

  pdfiso

  pdfiso

  Python

  •

  Apache License 2.0

  •00 forks•66 stars•00 issues•00 pull requests•Updated Oct 27, 2021Oct 27, 2021