I gather that most experienced Perlers see no need for this table

Welcome to the Perl Bubble. Your idea is so obvious, necessary, and useful that many otherwise brilliant people will under- or over-think it into oblivion. CPAN would be vastly friendlier if it was browsable via an ontological index. There are such indexes but alas they are not maintained, perhaps you should volunteer to fix that oversight?

  • https://www.cpan.org/modules/by-category/
  • https://www.cpan.org/modules/by-module/
  • https://www.cpan.org/scripts/index.html

    In reply to Re: Top Level Module Namespace Table by Anonymous Monk
    in thread Top Level Module Namespace Table by Xiong

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