Suggestions for Metrix

The following packages have something in common with the package Metrix. The packages are ordered in decreasing similarity.

Package verse: Aids for typesetting simple verse
Package poetry: Facilities for typesetting poetry and poetical structure
Package numspell: Spelling cardinal and ordinal numbers
Package babel-latin: Babel support for Latin
Package gmverse: A package for typesetting (short) poems
Package poetrytex: Typeset anthologies of poetry
Package sharedline: Typeset shared lines in dramatic verse
Package altverse: Typesetting verse
Package songproj: Generate Beamer slideshows with song lyrics
Package datetime2-latin: Latin language module for the datetime2 package
Package attachfile2: Attach files into PDF
Package attachfile: Attach arbitrary files to a PDF document
Package pdfmarginpar: Generate marginpar-equivalent PDF annotations
Package repltext: Control how text gets copied from a PDF file
Package hypgotoe: Links to embedded files
Package pst-pdf: Make PDF versions of graphics by processing between runs
Package liturgy-cw: Create Common Worship style documents
Package caption2: Superseded version of the caption package
Package cuted: Mixing onecolumn and twocolumn modes
Package newproof: Make commands to define proofs
Package resizegather: Automatically resize overly large equations
Package exam: Package for typesetting exam scripts
Package fvextra: Extensions and patches for fancyvrb
Package llncs: Document class and bibliography style for Lecture Notes in Computer Science (LNCS)
Package pythonhighlight: Highlighting of Python code, based on the listings package
Package authblk: Support for footnote style author/affiliation
Package ascmac: Boxes and picture macros with Japanese vertical writing support
Package algorithm2e: Floating algorithm environment with algorithmic keywords
Package autobreak: Simple line breaking of long formulae
Package amsaddr: Alter the position of affiliations in amsart
Package abraces: Asymmetric over-/underbraces in maths