figplace – Floating figures in Plain TeX
The macros implement a single stack of floats, and insert a maximum of two per page; the output routine used is an extension of the Plain version.
Maybe you are interested in the following packages as well.
- placeins-plain: Insertions that keep their place
- knuth-letter: Knuth's example letter macros
- letter-plain: Letter macros for Plain TeX
- lextex: Typesetting legal documents using plain TeX