Suggestions for Bnf-plain

The following packages have something in common with the package Bnf-plain. The packages are ordered in decreasing similarity.

Package latex-bnf: LaTeX macros for typing BNF specifications
Package context-bnf: A BNF module for ConTeXt
Package formal-grammar: Typeset formal grammars
Package zed: Typeset Z specifications
Package backnaur: Typeset Backus Naur Form definitions
Package naive-ebnf: EBNF in plain text
Package objectz: Macros for typesetting Object Z
Package simplebnf: A simple package to format Backus-Naur form (BNF)
Package vdmlisting: Typesetting VDM in ASCII syntax
Package zed-csp: Typesetting Z and CSP format specifications
Package ebnf: Simple package for EBNF productions
Package vdm: Typesetting VDM schemas
Package braille: Support for braille
Package harvmac: Macros for scientific articles
Package resumemac: Plain TeX macros for resumés
Package letter1: Letter formatting macros
Package mlawriter: Write MLA style documents in Plain TeX
Package histyle: A HighStyle environment for TeX
Package automagic: Automatic counter numbering in Plain TeX
Package lextex: Typesetting legal documents using plain TeX
Package plain-widow: Three output routines that extend \plainoutput
Package plain-grid: Four sets of macros for typesetting on a baseline grid
Package treedef: Macros to typeset trees in Plain TeX
Package hanoi: Tower of Hanoi in TeX
Package mnras-plain: Plain TeX macros for MNRAS
Package plcalendar: Plain macros for making nice calendars
Package timetable: Generate timetables
Package tugboat-plain: Plain TeX macros for TUGboat
Package badge: Print badge labels
Package bridge-pln: Plain TeX macros for writing about bridge
Package chbar: Change bar marks in Plain TeX