Suggestions for Letterswitharrows

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

Package venndiagram: Creating Venn diagrams with TikZ
Package tikz-ext: A collection of libraries for PGF/TikZ
Package orcidlink: Insert hyperlinked ORCiD logo
Package worldflags: Drawing flags with TikZ
Package atableau: A LaTeX package for symmetric group combinatorics
Package nicematrix: Improve the typesetting of matrices and tabulars with PGF
Package upgreek: Upright Greek letters
Package tilings: A TikZ library for drawing tiles and tilings
Package penrose: A TikZ library for producing Penrose tilings
Package overarrows: Custom extensible arrows over math expressions
Package tikz-timing: Easy generation of timing diagrams as TikZ pictures
Package bchart: Draw simple bar charts in LaTeX
Package rpgicons: Icons for tabletop role-playing games
Package bearwear: Shirts to dress TikZbears
Package tikz-karnaugh: Typeset Karnaugh maps using TikZ
Package luamesh: Computes and draws 2D Delaunay triangulation
Package luadraw: Lua-based mathematical graphs for LuaLaTeX
Package causets: Draw causal set (Hasse) diagrams
Package forest: Drawing (linguistic) trees
Package xistercian: Cistercian numerals in LaTeX
Package utfsym: Provides various Unicode symbols
Package pgfornament-han: pgfornament library for Chinese traditional motifs and patterns
Package pgfgantt: Draw Gantt charts with TikZ
Package dynkin-diagrams: Draw Dynkin, Coxeter, and Satake diagrams using TikZ
Package lie-hasse: Draw Hasse diagrams
Package pgfplots: Create normal/logarithmic plots in two and three dimensions
Package sankey: Draw Sankey diagrams with TikZ
Package centernot: Centred \not command
Package eqnlines: Single- and multiline equations
Package delimset: Typeset and declare sets of delimiters with convenient size control
Package extpfeil: Extensible arrows in mathematics