Suggestions for Advice

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

Package namedef: TeX definitions with named parameters
Package collargs: Collect arguments of any command
Package localloc: Macros for localizing TeX register allocations
Package plainpkg: A minimal method for making generic packages
Package lparse: Parse macro arguments with Lua using xparse-like specification
Package etoolbox-generic: A loader for etoolbox.sty in non-LaTeX formats
Package expkv-cs: Define expandable key=val macros using expkv
Package ltxcmds: Some LaTeX kernel commands for general use
Package pdftexcmds: LuaTeX support for pdfTeX utility functions
Package catcodes: Generic handling of TeX category codes
Package default: Provide default parameters for TeX macros
Package eoldef: Define commands which absorb the whole source line as arguments
Package tokmap: Iterate over a token list expandably, without dropping spaces or braced groups
Package tokcycle: Build tools to process tokens from an input stream
Package expkv-bundle: An expandable key=val implementation and friends
Package addtoluatexpath: Add paths to Lua packages and input TeX files
Package calcfrac: Calculates the value of an expression containing fractions
Package fltpoint: Simple floating point arithmetic
Package langcode: Simple language-dependent settings based on language codes
Package cdcmd: Expandable conditional commands for LaTeX
Package lambdax: Use Lambda expression within LaTeX
Package lua-visual-debug: Visual debugging with LuaLaTeX
Package visualtoks: Typeset TeXbook-style visualisations of token lists
Package arrayjob: Array data structures for (La)TeX
Package arrayjobx: Array data structures for (La)TeX
Package gates: Support for writing modular and customisable code
Package gtl: Manipulating generalized token lists
Package commado: Expandable iteration on comma-separated and filename lists
Package fenixpar: One-shot changes to token registers such as \everypar
Package dowith: Apply a command to a list of items
Package chinese-jfm: Luatexja-jfm files for Chinese typesetting