Suggestions for Show-PDF-tags

The following packages have something in common with the package Show-PDF-tags. The packages are ordered in decreasing similarity.

Package refreshpdf: Refresh PDF files remotely
Package pdfprivacy: A LaTeX package to remove or suppress pdf meta-data
Package extractpdfmark: Extract page mode and named destinations as PDFmark from PDF
Package thumbpdf: Thumbnails for pdfTeX and dvips/ps2pdf
Package extractbb: A reimplementation of extractbb, written in Lua
Package vpp: View and (selectively) Print PDF and PostScript
Package texdoc: Documentation access for TeX Live
Package pdfpagediff: Find differences between two PDF’s
Package layout: View the layout of a document
Package pagegrid: Print page grid in background
Package layouts: Display various elements of a document’s layout
Package pdfpc-movie: Pdfpc viewer-compatible hyperlinks to movies
Package texdoctk: Easy access to package documentation
Package bidipagegrid: Bidi-aware page grid in background
Package pdfcrypt: Allows the setting of pdf encryption
Package pdfannotations: Annotate PDF slides
Package accsupp: Better accessibility support for PDF files
Package bxpdfver: Specify version and compression level of output PDF files
Package docassembly: Use the Acrobat JavaScript API
Package embedall: Embed source files into the generated PDF
Package fancytooltips: Include a wide range of material in PDF tooltips
Package javascripthttp: Add buttons to a PDF to easily get and post web content
Package navigator: PDF features across formats and engines
Package newpax: Experimental package to extract and reinsert PDF annotations
Package ocg-p: PDF OCG support in LaTeX
Package ocgtools: Manipulate OCG layers in PDF presentations
Package ocgx: Use OCGs within a PDF document without JavaScript
Package pdfextra: Extra PDF features for (Op)TeX
Package pdf14: Restore PDF 1.4 to a TeX Live 2010 format
Package pdftoolbox: A plain-pdfTeX toolbox for creating beautiful documents
Package thorshammer: Assessment based on AcroTeX quizzes