Suggestions for manyind

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

Package index: Extended index for LaTeX including multiple indexes
Package splitindex: Unlimited number of indexes
Package genindex: Alternative index series
Package multind: Multiple indexes in LaTeX documents
Package multi-sudoku: Create and customise Sudoku grids of various sizes
Package gindex: Formatting indexes
Package bibtopicprefix: Prefix references to bibliographies produced by bibtopic
Package multibib: Multiple bibliographies within one document
Package multibbl: Multiple bibliographies
Package robustindex: Create index with pagerefs
Package indextools: Producing multiple indices
Package indextra: Enhanced index typesetting
Package keyindex: Index entries by key lookup
Package seealso: Improve the performance of \see macros with makeindex
Package firstindexletter: Enlarged initials for the first entries of index letter groups
Package idxlayout: Configurable index layout, responsive to KOMA-Script and memoir
Package varindex: Luxury frontend to the \index command
Package idxcmds: Semantic commands for adding formatted index entries
Package scrindex: Make index package work with KOMA-Script classes
Package hvindex: Support for indexing
Package imakeidx: A package for producing multiple indexes
Package knowledge: Displaying, hyperlinking, and indexing notions in a document
Package ltxindex: A LaTeX package to typeset indices with GNU’s Texindex
Package testidx: Dummy text for testing index styles and indexing applications
Package corridx-latex: Correct index entries for chemical compounds
Package mftinc: Pretty-print METAFONT source
Package esindex: Generate sorting keys for indexes
Package sblidx: A LaTeX package for SBL style indices
Package bibtopic: Include multiple bibliographies in a document
Package chapterbib: Multiple bibliographies in a document
Package bibunits: Multiple bibliographies in one document