Suggestions for tuple

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

• polexpr: A parser for polynomial expressions
• calcfrac: Calculates the value of an expression containing fractions
• youngtab: Typeset Young-Tableaux
• fltpoint: Simple floating point arithmetic
• witharrows: “Aligned” math environments with arrows for comments
• ltxcmds: Some LaTeX kernel commands for general use
• namedef: TeX definitions with named parameters
• pdftexcmds: LuaTeX support for pdfTeX utility functions
• iftex: Am I running under pdfTeX, XeTeX or LuaTeX?
• luakeys: A Lua module for parsing key-value options
• hologo: A collection of logos with bookmark support
• xlop: Calculates and displays arithmetic operations
• lparse: Parse macro arguments with Lua using xparse-like specification
• nth: Generate English ordinal numbers
• poormanlog: Logarithms and powers with (almost) 9 digits
• zeckendorf: Knuth Fibonacci multiplication, Zeckendorf and Bergman representations of big integers
• pdfmsym: PDF Math Symbols — various drawn mathematical symbols
• stretchy: Macros for creating stretchy TeX symbols
• chemfig: Draw molecules with easy syntax
• luatexja: Typeset Japanese with Lua(La)TeX
• tokmap: Iterate over a token list expandably, without dropping spaces or braced groups
• collargs: Collect arguments of any command
• localloc: Macros for localizing TeX register allocations
• plainpkg: A minimal method for making generic packages
• tokstools: Tools for manipulating tokens
• xfp: Interface to the LaTeX3 floating point unit
• etoolbox-generic: A loader for etoolbox.sty in non-LaTeX formats
• addtoluatexpath: Add paths to Lua packages and input TeX files
• langcode: Simple language-dependent settings based on language codes
• advice: Extend commands and environments
• multido: A loop facility for Generic TeX