Suggestions for maybeload
The following packages have something in common with the package maybeload. The packages are ordered in decreasing similarity.
- comment-pln: Comment macros for use in Plain TeX
 - rcs-pln: RCS data in Plain TeX documents
 - perfectcut: Nested delimiters that consistently grow regardless of the contents
 - automagic: Automagic numbering in Plain TeX
 - termmenu: The package provides support for terminal-based menus using expl3
 - figplace: Floating figures in Plain TeX
 - list: List ASCII text files
 - lettermac: Simple macros for writing letters (Plain TeX)
 - label-pln: Print address labels in three columns
 - plain-cm: Variable sized fonts in Plain TeX
 - twoside: Two-side typesetting in Plain TeX
 - twocolumns: Knuth's two-column output macros
 - letter-plain: Letter macros for Plain TeX
 - toc-zar: Plain TeX table of contents macros
 - mpostinl: Embed METAPOST figures within LaTeX documents
 - autotoc: Table of contents in Plain TeX
 - appelt-chess: Chess board macros using standard fonts
 - bellmac: Outline scheme for form letter production
 - bibplain: Simple macros for using BibTeX with Plain TeX
 - border: Draw a black border around a Plain TeX page
 - boxit: Draw a box around a text
 - bfsymb: Generate bold symbols in Plain TeX mathematics
 - capparmode: Dropped capitals for Plain TeX
 - cassette: Typeset cassette box inserts
 - cropmrks: Add crop marks to a Plain TeX document
 - doublecol: Double-column page macros for Plain TeX
 - defstring: Define macros as verbatim macros
 - dmhgener: Equation, figure (etc.) numbering and referencing
 - fortran: Print Fortran programs
 - fnote: Auto-numbered footnotes in Plain TeX
 - fontbl: A font sampler