Suggestions for Match_parens

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

Package check: A syntax checker and tidier
Package chklref: Check for problems with labels in LaTeX
Package expltools: Development tools for expl3 programmers
Package tex2tok: Convert a TeX source file into tokens
Package checkcites: Check citation commands in a document
Package texdef: Display the definitions of TeX commands
Package chktex: Check for errors in LaTeX documents
Package synctex-parser: SyncTeX output file parser
Package texref: Find cross-references in a LaTeX file
Package texlog-extract: Extract errors and warnings from TeX logs
Package ldiff: A script for marking the differences between two LaTeX files
Package adhocfilelist: \listfiles entries from the command line
Package printlen: Print lengths using specified units
Package xprintlen: Print TeX lengths in a variety of units
Package syntonly: Run a document through LaTeX for syntax checking
Package precattl: Prepare special catcodes from token list
Package pkgloader: Manage the options and loading order of other packages
Package prettytok: Pretty-print token lists
Package qstest: Bundle for unit tests and pattern matching
Package regcount: Display the allocation status of the TeX registers
Package ted: A (primitive) token list editor
Package inputtrc: Trace which file loads which
Package testflow: A tool to validate PS/PDF output from LaTeX
Package unravel: Watching TeX digest tokens
Package lua-visual-debug: Visual debugging with LuaLaTeX
Package texware: Basic utility programs for use with TeX
Package mfware: Supporting tools for METAFONT: gftodvi, gftopk, gftype, mft
Package vfware: Tools for virtual font metrics
Package lablst-pkg: List names of labels in a document
Package cmdtrack: Check used commands
Package pkware: Utility programs for use with PK bitmap fonts