Suggestions for pdfcolfoot
The following packages have something in common with the package pdfcolfoot. The packages are ordered in decreasing similarity.
- footmisx: A range of footnote options
 - bigfoot: Footnotes for critical editions
 - dblfnote: Double-column footnotes
 - fnpara: Footnotes in paragraphs
 - fnpos: Control the position of footnotes on the page
 - footnpag: Per-page numbering of footnotes
 - pfnote: Number footnotes per page
 - savefnmark: Save name of the footnote mark for reuse
 - nccfoots: User-generated footnote marks
 - fixfoot: Multiple use of the same footnote text
 - fnbreak: Warn for split footnotes
 - manyfoot: Adds footnote levels to standard LaTeX’s footnote mechanism
 - coolfn: Typeset long legal footnotes
 - multifootnote: Multiple numbers for the same footnote
 - sepfootnotes: Support footnotes and endnotes from separate files
 - footmisc: A range of footnote options
 - ftnxtra: Extend the applicability of the \footnote command
 - yafoot: A bundle of miscellaneous footnote packages
 - footnotebackref: Back-references from footnotes
 - footnote: Improve on LaTeX's footnote handling
 - fn2end: Convert footnotes to endnotes
 - opcit: Footnote-style bibliographical references
 - tablefootnote: Permit footnotes in tables
 - edfnotes: Critical annotations to footnotes with ednotes
 - fnpct: Manage footnote marks’ interaction with punctuation
 - asternote: Annotation symbols enclosed in square brackets and marked with an asterisk
 - fnlineno: Number the lines of footnotes
 - chifoot: Chicago-style footnote formatting
 - footnotehyper: A hyperref aware footnote environment
 - osda: Commands for Proceedings of the Workshop on Open-Source Design Automation
 - stfloats: Commands to control the presentation of floats