Suggestions for check-parens

The following packages have something in common with the package check-parens. The packages are ordered in decreasing similarity.

Package check: A syntax checker and tidier
Package light-latex-make: llmk: A build tool for LaTeX documents
Package comment_io: A Python script to comment and uncomment lines
Package lintex: Tidy up after a TeX run
Package srcredact: A tool for redacting sources
Package texblend: Compile segments of LaTeX documents
Package texfot: Filter clutter from the output of a TeX run
Package eqnnumwarn: Modifies the amsmath equation environments to warn for a displaced equation number
Package warning: Global warnings at the end of the logfile
Package texlogsieve: Filter and summarize LaTeX log files
Package hvextern: Write and execute external code, and insert the output
Package draftfigure: Replace figures with a white box and additional features
Package ifthen: Conditional commands in LaTeX documents
Package ifallfalse: Compare a string against a set of other strings
Package switch: A constant time/expandable switch/case
Package xifthen: Extended conditional commands
Package ifthenx: Extra tests for \ifthenelse
Package makegobbler: Keep or drop some part of LaTeX source code
Package arraymaker: A program for making LaTeX and xypic arrays
Package adobemapping: Adobe cmap and pdfmapping files
Package chklref: Check for problems with labels in LaTeX
Package dosepsbin: Deal with DOS binary EPS files
Package expltools: Development tools for expl3 programmers
Package easydtx: A simplified DTX format
Package hp2pl: Create TeX PL files from HP AutoFont Support
Package match_parens: Find mismatches of parentheses, braces, (angle) brackets, in texts
Package orderer: Order references in a TeX file
Package orderrefs: Sort bibliography in LaTeX document by order of citation
Package pydocstrip: Scripted version of LaTeX docstrip
Package ttf2tex: Use TrueType fonts with teTeX
Package tex2tok: Convert a TeX source file into tokens