Suggestions for xparse

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

• xtemplate: A high-level interface for declaring document commands
• l3packages: High-level LaTeX3 concepts
• l3keys2e: LaTeX2ε option processing using LaTeX3 keys
• xfrac: Split-level fractions in LaTeX2ε*
• l3backend: LaTeX3 backend drivers
• l3experimental: Experimental LaTeX3 concepts
• xfp: Interface to the LaTeX3 floating point unit
• xcoffins: Rich boxed material for LaTeX 3
• l3docstrip: Strip documentation in LaTeX3 source
• l3kernel: LaTeX3 programming conventions
• xargs: Define commands with many optional arguments
• expl3: Wrapper package for experimental LaTeX3
• 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
• styledcmd: Handling multiple versions of user-defined macros
• ccool: A key-value document command parser
• letltxmacro: Let assignment for LaTeX macros
• cdcmd: Expandable conditional commands for LaTeX
• lambdax: Use Lambda expression within LaTeX
• mathcommand: \newcommand-like commands for defining math macros
• functional: Provide an intuitive functional programming interface for LaTeX2
• xgalley: Control text feeding onto the page
• etl: Expandable token list operations
• zhlipsum: Chinese dummy text
• l3regex: Regular expression facilities for LaTeX
• defstring: Define macros as verbatim macros
• getoptk: Define macros with sophisticated options
• kalendarium: Print dates according to the classical Latin calendar