TeX Live: Generic additional packages

 Extra packages that work with multiple formats, typically both TeX and
   LaTeX.
 .
 This package includes the following CTAN packages:
  abbr -- Simple macros supporting abreviations for Plain and LaTeX.
  abstyles -- Adaptable BibTeX styles.
  barr -- Diagram macros by Michael Barr.
  bitelist -- Split list, in TeX's mouth.
  borceux -- Diagram macros by Francois Borceux.
  c-pascal -- Typeset Python, C and Pascal programs.
  catcodes -- Generic handling of TeX category codes.
  chronosys -- Drawing time-line diagrams.
  colorsep -- Color separation.
  dinat -- Bibliography style for German texts.
  dirtree -- Display trees in the style of windows explorer.
  dowith -- Apply a command to a list of items.
  eijkhout -- Victor Eijkhout's packages.
  encxvlna -- Insert nonbreakable spaces, using encTeX.
  epigram -- Display short quotations.
  fenixpar -- One-shot changes to token registers such as \everypar.
  fltpoint -- Simple floating point arithmetic.
  fntproof -- A programmable font test pattern generator.
  gates -- Support for writing modular and customisable code.
  ifetex -- Provides \ifetex switch.
  iftex -- Am I running under pdfTeX, XeTeX or LuaTeX?
  insbox -- A TeX macro for inserting pictures/boxes into paragraphs.
  lambda-lists -- Lists in TeX's mouth.
  langcode --
  lecturer -- On-screen presentations for (almost) all formats.
  librarian -- Tools to create bibliographies in TeX.
  mathdots -- Commands to produce dots in math that respect font size.
  metatex -- Incorporate MetaFont pictures in TeX source.
  midnight -- A set of useful macro tools.
  navigator -- PDF features across formats and engines.
  ofs -- Macros for managing large font collections.
  pdf-trans -- A set of macros for various transformations of TeX boxes.
  plainpkg --
  schemata -- Print topical diagrams.
  shade -- Shade pieces of text.
  systeme -- Format systems of equations.
  tabto-generic -- "Tab" to a measured position in the line.
  texapi -- Macros to write format-independent packages.
  upca --
  xlop -- Calculates and displays arithmetic operations.
  yax -- Yet Another Key System.