memo-pln – Plain TeX macros for memoranda
The macros generate a ‘banner’ for the top of the (first) page of a memorandum. (The macros are designed for CalTech, but changing that part of the header would not be difficult.)
Maybe you are interested in the following packages as well.
- phfnote: Basic formatting for short documents
- automagic: Automagic numbering in Plain TeX
- list: List ASCII text files
- lettermac: Simple macros for writing letters (Plain TeX)