Suggestions for Matrix-skeleton

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

Package nicematrix: Improve the typesetting of matrices and tabulars with PGF
Package tensormatrix: Matrix representations of tensors
Package karnaugh-map: LaTeX package for drawing karnaugh maps with up to 6 variables
Package commutative-diagrams: CoDi: Commutative Diagrams for TeX
Package tilings: A TikZ library for drawing tiles and tilings
Package penrose: A TikZ library for producing Penrose tilings
Package kbordermatrix: LaTeX version of \bordermatrix
Package tikz-cd: Create commutative diagrams with TikZ
Package causets: Draw causal set (Hasse) diagrams
Package luamesh: Computes and draws 2D Delaunay triangulation
Package matrixdiagrams: Create structured matrix diagrams using TikZ
Package quiver: Draw commutative diagrams exported from https://q.uiver.app
Package tikz-karnaugh: Typeset Karnaugh maps using TikZ
Package pgf-periodictable: Create custom periodic tables of elements
Package pgf-spectra: Draw continuous or discrete spectra using PGF/TikZ
Package quantikz: Draw quantum circuit diagrams
Package trainmap: Draw railway line schematics and transit network maps with TikZ
Package braids: Draw braid diagrams with PGF/TikZ
Package tikz-nfold: Triple, quadruple, and n-fold paths with TikZ
Package tikz-bbox: Precise determination of bounding boxes in TikZ
Package zx-calculus: A library to typeset ZX Calculus diagrams
Package rank-2-roots: Draw (mathematical) rank 2 root systems
Package tikz-dimline: Technical dimension lines using PGF/TikZ
Package tikz-bpmn: A TikZ library for creating BPMN models
Package tikz-swigs: Horizontally and vertically split elliptical nodes
Package tikz-bayesnet: Draw Bayesian networks, graphical models and directed factor graphs
Package tikz-ext: A collection of libraries for PGF/TikZ
Package tikz-nef: Create diagrams for neural networks constructed with the methods of the Neural Engineering Framework (NEF)
Package pgf-umlcd: Some LaTeX macros for UML Class Diagrams
Package pgf-pie: Draw pie charts, using PGF
Package tikzducks: A little fun package for using rubber ducks in TikZ