Suggestions for Mfirstuc

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

Package getitems: Gathering items from a list-like environment
Package stringstrings: String manipulation for cosmetic and programming application
Package bitelist: Split list, in TeX’s mouth
Package getargs: A flexible list-parsing macro with configurable parsing character
Package listofitems: Grab items in lists using user-specified sep char
Package forloop: Iteration in LaTeX
Package unravel: Watching TeX digest tokens
Package bitset: Handle bit-vector datatype
Package hvfloat: Controlling captions, fullpage and doublepage floats
Package jsonparse: Parse, store and access JSON data in LaTeX documents
Package latex2pydata: Write data to file in Python literal format
Package ncccropbox: Crop-marked boxes
Package scalerel: Constrained scaling and stretching of objects
Package eolgrab: Catch arguments delimited by end of line
Package savesym: Redefine symbols where names conflict
Package flags: Setting and clearing of flags in bit fields
Package twoopt: Definitions with two optional arguments
Package authoraftertitle: Make author, etc., available after \maketitle
Package aliascnt: Alias counters
Package catchfile: Catch an external file into a macro
Package chngcntr: Change the resetting of counters
Package duckuments: Create duckified dummy content
Package elocalloc: Local allocation macros for LaTeX 2015
Package etex-pkg: ε-TeX support package
Package etexcmds: Avoid name clashes with ε-TeX commands
Package footnotehyper: A hyperref aware footnote environment
Package fix2col: Fix miscellaneous two column mode features
Package gettitlestring: Clean up title references
Package inversepath: Calculate inverse file paths
Package l3keys2e: LaTeX2ε option processing using LaTeX3 keys
Package picture: Dimens for picture macros