Suggestions for default

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

• advice: Extend commands and environments
• defstring: Define macros as verbatim macros
• namedef: TeX definitions with named parameters
• lparse: A Lua module for parsing key-value options
• hitex-def: Support files for HiTeX
• balancedquotes: Code balanced quotes according to document language
• compare: Compare two strings
• patch: Patch loaded packages, etc
• getoptk: Define macros with sophisticated options
• inlinedef: Inline expansions within definitions
• ltxnew: A simple means of creating commands
• optparams: Macros with multiple optional parameters
• xoptarg: Expandable macros that take an optional argument
• xnewcommand: Define \global and \protected commands with \newcommand
• ccool: A key-value document command parser
• letltxmacro: Let assignment for LaTeX macros
• styledcmd: Handling multiple versions of user-defined macros
• laps: Zero-width boxes for annotations, etc
• tokcycle: Build tools to process tokens from an input stream
• cdcmd: Expandable conditional commands for LaTeX
• lambdax: Use Lambda expression within LaTeX
• mathcommand: \newcommand-like commands for defining math macros
• xfp: Interface to the LaTeX3 floating point unit
• xtemplate: A high-level interface for declaring document commands
• xparse: A generic document command parser
• plainpkg: A minimal method for making generic packages
• localloc: Macros for localizing TeX register allocations
• pdftexcmds: LuaTeX support for pdfTeX utility functions
• ltxcmds: Some LaTeX kernel commands for general use
• collargs: Collect arguments of any command
• commado: Expandable iteration on comma-separated and filename lists