Suggestions for ETeX-pkg

The following packages have something in common with the package ETeX-pkg. The packages are ordered in decreasing similarity.

Package etoolbox: ε-TeX tools for LaTeX
Package epstopdf-pkg: Call epstopdf on the fly
Package bxcalc: Extend the functionality of the calc package
Package etoc: Completely customisable TOCs
Package xskak: An extension to the skak package for chess typesetting
Package scrbase: Provide basic features for KOMA-Script
Package csquotes: Context sensitive quotation facilities
Package forloop: Iteration in LaTeX
Package texapi: Macros to write format-independent packages
Package unravel: Watching TeX digest tokens
Package etoolbox-generic: A loader for etoolbox.sty in non-LaTeX formats
Package hyperref: Extensive support for hypertext in LaTeX
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 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 mfirstuc: Uppercase the first letter of a word
Package picture: Dimens for picture macros
Package regexpatch: High level patching of commands