Suggestions for Plain-cm

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

Package settosize: Scale text to given width
Package varisize: Change font size in Plain TeX
Package old-fontch: Changing fonts, sizes and encodings in Plain TeX (obsolete version)
Package font-selection: Font selection for plain TeX
Package fontch: Changing fonts, sizes and encodings in Plain TeX
Package pdcmac: Damian Cugley’s document tools
Package plnfss: Font selection for Plain TeX
Package ofs: Macros for managing large font collections
Package slem: Slanted emphasis in LaTeX 2.09
Package isf: Access italic computer modern sans in LaTeX 2.09
Package settosize-ltx: Scale text to make it fit a given width
Package smaller: Choose an adjacent size in LaTeX
Package fontchart: A font sampler
Package gkpmac: The macros used in Concrete Mathematics
Package fontbl: A font sampler
Package fontscale: A flexible interface for setting font sizes
Package slemph: Slanted emphasis in LaTeX
Package typeface: Select a balanced set of fonts
Package maybemath: Make math bold or italic according to context
Package automagic: Automatic counter numbering in Plain TeX
Package scalefnt: Rescale fonts to arbitrary sizes
Package figureversions: Figure versions for LaTeX
Package fontawesomescaled: Additional macros for fontawesome icons
Package bxnewfont: Enhanced \newfont command
Package letter-plain: Letter macros for Plain TeX
Package figplace: Floating figures in Plain TeX
Package lettermac: Simple macros for writing letters (Plain TeX)
Package label-pln: Print address labels in three columns
Package twoside: Two-side typesetting in Plain TeX
Package toc-zar: Plain TeX table of contents macros
Package twocolumns: Knuth’s two-column output macros