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.
- newinsert: Reworking Plain TeX's insert macros
- list: List ASCII text files
- histyle: A "HighStyle" environment for TeX
- lextex: Typesetting legal documents using plain TeX