Suggestions for selinput

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

Package newunicodechar: Definitions of the meaning of Unicode characters
Package inputenx: Enhanced input encoding handling
Package ucs: Extended UTF-8 input encoding support for LaTeX
Package luainputenc: Replacing inputenc for use in LuaTeX
Package upgreek: Upright Greek letters
Package mapcodes: Support for multiple character sets and encodings
Package codepage: Support for variant code pages
Package utf8add: Additional support for UTF-8 encoded LaTeX input
Package ginpenc: Modification of inputenc for German
Package rtkinenc: Input encoding with fallback procedures
Package umlaute: German input encodings in LaTeX
Package t1enc: Standard package for activating ec fonts
Package babel-esperanto: Babel support for Esperanto
Package latin1jk: Inputenc encoding for verbatim ISO 8859-1 use
Package latin2jk: Inputenc encoding for verbatim ISO 8859-2 use
Package latin3jk: Inputenc encoding for verbatim ISO 8859-3 use
Package lgrx: Obsolete package for Greek in text
Package slashed: Put a slash through characters
Package dotlessj: Generates a dot-less j
Package siunitx: A comprehensive (SI) units package
Package chemarr: Arrows for chemists
Package centernot: Centred \not command
Package amsrefs: A LaTeX-based replacement for BibTeX
Package eqnlines: Single- and multiline equations
Package acronym: Expand acronyms at least once
Package appendix: Extra control of appendices
Package algorithmicx: The algorithmic style you always wanted
Package algorithms: A suite of tools for typesetting algorithms in pseudo-code
Package bxcoloremoji: Use color emojis more conveniently
Package boxedminipage: Framed minipages of a specified total width (text and frame combined)
Package chemarrow: Arrows for use in chemistry