Suggestions for Simples-matrices

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

Package easymat: A simple package for writing matrices
Package easybmat: Block matrices
Package association-matrix: LaTeX support for creating association matrices
Package glmatrix: Macros for linear algebra calculations using scalars, vectors, and matrices
Package resolsysteme: Work on linear systems using xint or pyluatex
Package kbordermatrix: LaTeX version of \bordermatrix
Package matrixdiagrams: Create structured matrix diagrams using TikZ
Package spalign: Typeset matrices and arrays with spaces and semicolons as delimiters
Package easyvector: Write vectors in a C-like fashion
Package nicematrix: Improve the typesetting of matrices and tabulars with PGF
Package langsci-avm: Feature structures and attribute-value matrices (AVM)
Package subfigmat: Automates layout when using the subfigure package
Package drawmatrix: Draw visual representations of matrices in LaTeX
Package tensormatrix: Matrix representations of tensors
Package array: Extending the array and tabular environments
Package delarray: Delimiters for arrays
Package matrix-skeleton: A PGF/TikZ library that simplifies working with multiple matrix nodes
Package eqnalign: Make eqnarray behave like align
Package phfthm: Goodies for theorems and proofs
Package inkpaper: A mathematical paper template
Package mhs: Historical mathematics
Package atendofenv: Add a custom symbol at the end of an environment
Package jmsdelim: A package for compositional delimiter sizing
Package resmes: Measure restriction symbol in LaTeX
Package skmath: Extensions to the maths command repertoir
Package boldtensors: Bold latin and greek characters through simple prefix characters
Package bropd: Simplified brackets and differentials in LaTeX
Package conteq: Typeset multiline continued equalities
Package correctmathalign: Correct spacing of the alignment in expressions
Package cascade: Constructions with braces to present mathematical demonstrations
Package complexpolylongdiv: Typesetting (complex) polynomial long division