Suggestions for Ruled-tables

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

Package tables: Plain TeX tables without preamble definitions
Package monofill: Alignment of plain text
Package arraycols: New column types for array and tabular environments
Package numerica-tables: Create multi-column tables of mathematical functions
Package tabbingbox: Save a tabbing environment in a box
Package eqexpl: Align explanations for formulas
Package freealign: Align math formulas in different lines
Package ntabbing: Simple tabbing extension for automatic line numbering
Package tap: TeX macros for typesetting complex tables
Package arydshln: Draw dash-lines in array/tabular
Package centeredline: A macro for centering lines
Package tabbing: Extended tabbing environment with accented-letter support
Package pas-tableur: Create a spreadsheet layout
Package autoaligne: Align terms and members in math expressions
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