Suggestions for verbatim-pln
The following packages have something in common with the package verbatim-pln. The packages are ordered in decreasing similarity.
- verbatim-gen: Generic macros for setting text verbatim
 - idverb: Inline verbatim identifiers
 - llist: List ASCII text files in landscape
 - nofill: Preserve spaces and line breaks when setting text
 - verbtim2: Verbatim listings in Plain TeX
 - verbatim-tub: Plain TeX macros for verbatim
 - list: List ASCII text files
 - alltt2: Indented version of alltt
 - astyped: Verbatim environment, with rather few escapes
 - hexdump: Read and typeset ASCII hexdump files
 - tabverb: Verbatim text respecting TAB characters
 - vrbexin: Verbatim input support
 - verbinp: “8-bit” verbatim
 - automagic: Automagic numbering in Plain TeX
 - figplace: Floating figures in Plain TeX
 - 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
 - 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