Suggestions for Interfaces

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

Package pgfopts: LaTeX package options with pgfkeys
Package translator: Easy translation of strings in LaTeX
Package aebslicing: An image slicer
Package translations: Internationalisation of LaTeX2ε packages
Package l3build: A testing and building system for (La)TeX
Package starray: A structured array (of properties) based on expl3
Package sdaps: LaTeX support files for SDAPS
Package langsci-affiliations: Collect and order authors and affiliations
Package luaoptions: Option handling for LuaLaTeX packages
Package scrlfile: Installation control for KOMA-Script packages
Package verifycommand: Verifies definitions are unchanged, such as before patching
Package cssyntax: Readable, self-documenting command names for LaTeX package authors
Package tracklang: Language and dialect tracker
Package niceverb: Minimising markup for documenting LaTeX packages
Package classpack: XML mastering for LaTeX classes and packages
Package koma-script: A bundle of versatile classes and packages
Package latex-dependency-grapher: Visualize the dependencies of LaTeX files
Package ocr-latex: LaTeX support for ocr fonts
Package pandora-latex: LaTeX support for the Pandora fonts
Package wnri-latex: LaTeX support for wnri fonts
Package loops: General looping macros for use with LaTeX
Package unravel: Watching TeX digest tokens
Package xcpdftips: Natbib citations with PDF tooltips
Package hvextern: Write and execute external code, and insert the output
Package holtxdoc: Documentation macros for oberdiek bundle, etc.
Package stack: Tools to define and use stacks
Package compactbib: Multiple thebibliography environments
Package concrete-macros: Consistent text and maths using concrete fonts
Package mwrite: Write information to files
Package sans: Exchange Roman and Sans faces in a document
Package tccompat: Provide compatibility names for textcomp.sty