Suggestions for opcit

The following packages have something in common with the package opcit. The packages are ordered in decreasing similarity.

Package biblatex-opcit-booktitle: Use op. cit. for the booktitle of a subentry
Package footnotehyper: A hyperref aware footnote environment
Package footnote: Improve on LaTeX’s footnote handling
Package coolfn: Typeset long legal footnotes
Package footmisx: A range of footnote options
Package fnpara: Footnotes in paragraphs
Package multifootnote: Multiple numbers for the same footnote
Package savefnmark: Save name of the footnote mark for reuse
Package yafoot: A bundle of miscellaneous footnote packages
Package mdwtools: Miscellaneous tools by Mark Wooding
Package bibtopicprefix: Prefix references to bibliographies produced by bibtopic
Package multibib: Multiple bibliographies within one document
Package multibbl: Multiple bibliographies
Package asternote: Annotation symbols enclosed in square brackets and marked with an asterisk
Package osda: Commands for Proceedings of the Workshop on Open-Source Design Automation
Package chifoot: Chicago-style footnote formatting
Package fnbreak: Warn for split footnotes
Package fn2end: Convert footnotes to endnotes
Package footmisc: A range of footnote options
Package nccfoots: User-generated footnote marks
Package fixfoot: Multiple use of the same footnote text
Package pfnote: Number footnotes per page
Package edfnotes: Critical annotations to footnotes with ednotes
Package fnpct: Manage footnote marks’ interaction with punctuation
Package compactbib: Multiple thebibliography environments
Package adrconv: BibTeX styles to implement an address database
Package achicago: Chicago Manual citations in LaTeX
Package chscite: Bibliography style for Chalmers University of Technology
Package citeref: Add reference-page-list to bibliography-items
Package cell: Bibliography style for Cell
Package camel: Prototype work on future citation engine