automagic – Automagic numbering in Plain TeX
Provides section macros, automatically numbered, automatic numbering of equations, provision for a table of contents, and a primitive label mechanism.
Maybe you are interested in the following packages as well.
- twoside: Two-side typesetting in Plain TeX
- histyle: A "HighStyle" environment for TeX
- letter1: Letter formatting macros
- lextex: Typesetting legal documents using plain TeX