Suggestions for pdfx

The following packages have something in common with the package pdfx. The packages are ordered in decreasing similarity.

• cooltooltips: Associate a pop-up window and tooltip with PDF hyperlinks
• bxpdfver: Specify version and compression level of output PDF files
• ocgx: Use OCGs within a PDF document without JavaScript
• cmap: Make PDF files searchable and copyable
• pax: Extract and reinsert PDF annotations with pdfTeX
• yt4pdf: Play YouTube videos in a PDF
• hypgotoe: Links to embedded files
• mmap: Include CMap resources in PDF files from pdfTeX
• ocgtools: Manipulate OCG layers in PDF presentations
• ocg-p: PDF OCG support in LaTeX
• pdf14: Restore PDF 1.4 to a TeX live 2010 format
• repltext: Control how text gets copied from a PDF file
• threadcol: Organize document columns into PDF “article thread”
• xmpincl: Include eXtensible Metadata Platform data in pdfLaTeX
• attachfile: Attach arbitrary files to a PDF document
• fancytooltips: Include a wide range of material in PDF tooltips
• pdfcrypt: Allows the setting of pdf encryption
• pdfmarginpar: Generate marginpar-equivalent PDF annotations
• pdfcomment: A user-friendly interface to pdf annotations
• embedfile: Embed files into PDF
• hyperxmp: Embed XMP metadata within a LaTeX document
• xcjk2uni: Convert CJK characters to Unicode, in pdfTeX
• embedall: Embed source files into the generated PDF
• intopdf: Embed non-PDF files into PDF with hyperlink
• insdljs: Insert document-level JavaScript in LaTeX documents
• pdfprivacy: A LaTeX package to remove or suppress pdf meta-data
• artthreads: Support for article threads
• richtext: Create rich text strings
• popupmenu: Create popup menus in PDF files
• acroflex: Create a graphing widget in a PDF file
• rmannot: Create rich media annotations in a PDF file