texi2roff – Translate texinfo to troff
Texi2roff translates texinfo documents to nroff/troff (it does not deal with Plain TeX or LaTeX sources). While the conversion is not complete, it provides a solid basis for translating most texinfo documentation.
Free license not otherwise listed, or more than one free license applies
convert TeX-ish sources to some other markup (than HTML)
Maybe you are interested in the following packages as well.
- latex2rtf: Convert LaTeX into Rich Text Format
- latex2man: Translate LaTeX-based manual pages into Unix man format
- ltx2x: Replace LaTeX commands in a document by user-defined strings
- pdbf-toolkit: A Toolkit for Creating Janiform Data Documents