Suggestions for Censor

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

Package secretx: Put security classification marks in a document
Package randtext: Randomise the order of characters in strings
Package switcheml: Obfuscate email addresses (now obsolete)
Package tex-label: Place a classification on each page of a document
Package eq-pin2corr: Add PIN security to the Correct button of a quiz created by exerquiz
Package aspen: Simple crypto notation in LaTeX
Package secret: Put security classification marks in a document
Package transparent-io: Show for approval the filenames used in \input, \openin, or \openout
Package attachfile2: Attach files into PDF
Package attachfile: Attach arbitrary files to a PDF document
Package pdfmarginpar: Generate marginpar-equivalent PDF annotations
Package repltext: Control how text gets copied from a PDF file
Package hypgotoe: Links to embedded files
Package pst-pdf: Make PDF versions of graphics by processing between runs
Package caption2: Superseded version of the caption package
Package cuted: Mixing onecolumn and twocolumn modes
Package newproof: Make commands to define proofs
Package resizegather: Automatically resize overly large equations
Package exam: Package for typesetting exam scripts
Package fvextra: Extensions and patches for fancyvrb
Package llncs: Document class and bibliography style for Lecture Notes in Computer Science (LNCS)
Package pythonhighlight: Highlighting of Python code, based on the listings package
Package authblk: Support for footnote style author/affiliation
Package ascmac: Boxes and picture macros with Japanese vertical writing support
Package algorithm2e: Floating algorithm environment with algorithmic keywords
Package autobreak: Simple line breaking of long formulae
Package amsaddr: Alter the position of affiliations in amsart
Package abraces: Asymmetric over-/underbraces in maths
Package arydshln: Draw dash-lines in array/tabular
Package blkarray: Extended array and tabular
Package bigfoot: Footnotes for critical editions