Suggestions for modernruler

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

Package skeldoc: Placeholders for unfinished documents
Package nccrules: Compose dashed lines
Package rule-d: Provide LaTeX3 commands for typesetting rules
Package notestex: An all-in-one LaTeX notes package for students
Package hvdashln: Horizontal and vertical dashed lines in arrays and tabulars
Package dashrulex: Draw dashed rules
Package ehhline: Extend the \hhline command
Package booktabstabular: Automatic application of the booktabs style
Package mhack: Macros for marginal notes, in Plain TeX
Package marginote: Make numbered notes in the margin
Package debate: Debates between reviewers
Package mindflow: Write your ideas in a clear way
Package notes: Mark sections of a document
Package zennote: Streamline your note-taking process!
Package booktabs: Publication quality tables in LaTeX
Package qrcode: Generate QR codes in LaTeX
Package xhfill: Extending \hrulefill
Package sgmlcmpt: Support for LaTeX formulae as SGML PCDATA
Package globalvals: Declare global variables
Package rulerbox: Draw rulers around a box
Package fgruler: Draw rulers on the foreground or in the text
Package isopt: Writing a TeX length with a space between number and unit
Package projlib: A collection of facilitative tools
Package ptlatexcommands: LaTeX to commands in Portuguese
Package scanpages: Support importing and embellishing scanned documents
Package scalebar: Create scalebars for maps, diagrams or photos
Package chuushaku: Flexible book notes in Japanese
Package ezedits: Commands for tracking document changes and notes
Package easy-todo: To-do notes in a document
Package fixmetodonotes: Add notes on document development
Package mbenotes: Notes in tables or images