Suggestions for witharrows

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

• chemfig: Draw molecules with easy syntax
• youngtab: Typeset Young-Tableaux
• namedef: TeX definitions with named parameters
• systeme: Format systems of equations
• polexpr: A parser for polynomial expressions
• letterswitharrows: Draw arrows over math letters
• pascaltriangle: Draw beautiful Pascal (Yanghui) triangles
• nicematrix: Improve the typesetting of mathematical matrices with PGF
• plainpkg: A minimal method for making generic packages
• pdftexcmds: LuaTeX support for pdfTeX utility functions
• localloc: Macros for localizing TeX register allocations
• langcode: Simple language-dependent settings based on language codes
• soul: Hyphenation for letterspacing, underlining, and more
• fltpoint: Simple floating point arithmetic
• hologo: A collection of logos with bookmark support
• iftex: Am I running under pdfTeX, XeTeX or LuaTeX?
• catcodes: Generic handling of TeX category codes
• expkv-cs: Define expandable key=val macros using expkv
• eqnalign: Make eqnarray behave like align
• eqnarray: More generalised equation arrays with numbering
• lipsum: Easy access to the Lorem Ipsum and other dummy texts
• chinese-jfm: Luatexja-jfm files for Chinese typesetting
• schemata: Print topical diagrams
• luatexja: Typeset Japanese with Lua(La)TeX
• tzplot: Plot graphs with TikZ abbreviations
• subeqnarray: Equation array with sub numbering
• cases: Numbered cases environment
• mercatormap: Spherical Mercator coordinate systems and Web Mercator tile integration
• magicwatermark: An easy and flexible way to set watermarks
• tokcycle: Build tools to process tokens from an input stream
• tikzfill: TikZ libraries for filling with images and patterns