Suggestions for diagrams
The following packages have something in common with the package diagrams. The packages are ordered in decreasing similarity.
- monster: Obsolete name for Frankenstein
 - dktools: Tools and libraries by Dirk Krause
 - book-examples: A collection of examples from published TeX-related books
 - ms: Various LaTeX packages by Martin Schröder
 - mh: Stub for the (old) ‘mh’ bundle
 - eijkhout: Victor Eijkhout's packages
 - knuth-base: The current state of Knuth's contributions
 - urw: URW free font support
 - was: A collection of small packages by Walter Schmidt
 - germdoc: A collection of documentation available in German
 - knuth-local: Knuth’s local information
 - knuth-pdf: PDF collection of typeset C/WEB sources in TeX Live
 - knuth-hint: HINT collection of typeset C/WEB sources in TeX Live
 - bosisio: A collection of packages by Francesco Bosisio
 - cite-bundle: Citation management bundle
 - easy: A collection of easy-to-use macros
 - fundus: Providing LaTeX access to various font families
 - frankenstein: A collection of LaTeX packages
 - jknappen: Miscellaneous packages by Joerg Knappen
 - psfonts: PostScript fonts for use with TeX and LaTeX
 - sauerj: A bundle of utilities by Jonathan Sauer
 - fragments: Fragments of LaTeX code
 - piff: Macro tools by Mike Piff
 - carlisle: David Carlisle’s small packages
 - knuth-dist: The current state of Knuth's contributions
 - knuth-lib: Core TeX and METAFONT sources from Knuth
 - ncctools: A collection of general packages for LaTeX
 - psnfssx: Extra styles and encodings for PostScript fonts
 - shipunov: A collection of LaTeX packages and classes
 - oberdiek: A bundle of packages submitted by Heiko Oberdiek
 - ltxmisc: Miscellaneous LaTeX packages, etc.