texlive-xetex
TeX Live: XeTeX and packages
Packages for XeTeX, the Unicode/OpenType-enabled TeX by Jonathan Kew. See
https://tug.org/xetex.
texlive-formats-extra
TeX Live: Additional formats
Collected TeX `formats', i.e., large-scale macro packages designed to be
dumped into .fmt files -- excluding the most common ones, such as latex and
context, which have their own package(s). It also includes the Aleph engine
and related Omega formats and packages, and the HiTeX engine and related.
texlive-metapost
TeX Live: MetaPost and Metafont packages
This package includes the following CTAN packages:
texlive-lang-cyrillic
TeX Live: Cyrillic
Support for Cyrillic scripts (Bulgarian, Russian, Serbian, Ukrainian), even
if Latin alphabets may also be used.
texlive-lang-european
TeX Live: Other European languages
Support for a number of European languages; others (Greek, German,
French, ...) have their own collections, depending simply on the size of the
support.