Suggestions for hypernat

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

Package cite: Improved citation handling in LaTeX
Package overcite: Compressed lists of superscript numerical citations
Package hyper: Hypertext cross referencing
Package citeright: Specify accurate natbib citations for diverse naming conventions
Package classics: Cite classic works
Package lexitex: Footnote-style citations for law journals
Package margbib: Display bibitem tags in the margins
Package doipubmed: Special commands for use in bibliographies
Package drftcite: Print the bibliography in draft mode
Package lastbib: Record the number of citations in a document
Package hypdoc: Hyper extensions for doc.sty
Package xcpdftips: Natbib citations with PDF tooltips
Package breakcites: Ensure that multiple citations may break at line end
Package bibentry: Full bibliography entries in the main text of a document
Package collref: Collect blocks of references into a single reference
Package mcite: Multiple items in a single citation
Package notoccite: Prevent trouble from citations in table of contents, etc.
Package splitbib: Split and reorder your bibliography
Package xcite: Use citation keys from a different document
Package mciteplus: Enhanced multiple citations
Package backref: Make hyper-references back from bibliography to citation
Package cite-bundle: Citation management bundle
Package aurl: Extends the hyperref package with a mechanism for hyperlinked URLs abbreviated with prefixes
Package gmiflink: Simplify usage of \hypertarget and \hyperlink
Package hrefhide: Suppress hyper links when printing
Package morehype: Hypertext tools for use with LaTeX
Package rangecite: Will turn a range of citations into something like [1..3]
Package xrefwarn: Only one warning for an undefined citation
Package citesidx: Produce a citation list for the bibliography
Package icite: Indices locorum citatorum
Package footbib: Bibliographic references as footnotes