Suggestions for To-be-determined

The following packages have something in common with the package To-be-determined. The packages are ordered in decreasing similarity.

Package phfcc: Convenient inline commenting in collaborative documents
Package comment: Selectively include/exclude portions of text
Package optional: Facilitate optional printing of parts of a document
Package luacensor: Securely redact sensitive information using Lua
Package comment-pln: Comment macros for use in Plain TeX
Package codesection: Provides an environment that may be conditionally included
Package conditext: Define and manage conditional content
Package renditions: Multiple versions from the same content
Package hideanswer: Generate documents with and without answers by toggling a switch
Package proofread: Commands for inserting annotations
Package tram: Typeset tram boxes in LaTeX
Package graphicscache: Cache includegraphics calls
Package ifallfalse: Compare a string against a set of other strings
Package multiaudience: Several versions of output from the same source
Package switch: A constant time/expandable switch/case
Package tagging: Document configuration with tags
Package version: Conditionally include text
Package xifthen: Extended conditional commands
Package xcomment: Allows selected environments to be included/excluded
Package ifthenx: Extra tests for \ifthenelse
Package versions: Optionally omit pieces of text
Package makegobbler: Keep or drop some part of LaTeX source code
Package draftfigure: Replace figures with a white box and additional features
Package memoize-ext: Extended support for memoization with Memoize
Package ifthen: Conditional commands in LaTeX documents
Package nameauth: Name authority mechanism for consistency in body text and index
Package comment_io: A Python script to comment and uncomment lines
Package srcredact: A tool for redacting sources
Package ed: Editorial Notes for LaTeX documents
Package draftmark: Put draft marks on selected pages
Package errata: Error markup for LaTeX documents