In the past year, I was introduced to two new tools I hadn't previously been aware of (Devel::Cover and Travis CI) that I am now using for my modules, and I was just wondering what other tools might be out there that I could benefit from.

What I'm looking for are tools that will improve the overall quality of my modules in terms of usability, readability, completeness, or whatever other metric. I looked around the monestary and didn't find such a list... after some feedback, I'd be hapy to add it as a tutorial.

Tools that I use now are listed below. I know that many of these are pretty obvious, but perhaps for someone just starting out, they should be included. What am I missing?

Update: I'm going to add the suggestions to the list as they come in, so I don't necessarily use all of them... and of course, not every tool will fit everyone's needs and/or wants, but they are a great place to start looking.

Change Kwalitee
Make sure that the change file follows the standard format.
CPAN Testers
To see which platforms the tests succeed/fail on.
CPANTS Kwalitee
Reports on the quality of the module by checking for a number of best practices.
Devel::Cover, cpancover.com
These can be used to make sure that every line in your module is covered by at least one test in the test suite.
Devel::NYTProf
For profiling where the time is being spent in order to speed things up.
Perl::Critic
Check to make sure that the code matches the best practices described in Damian Conway's Perl Best Practices.
Perl::Tidy
To make sure that a module is nicely indented and uses some of the best practices for coding style.
Pod::Spell
A spell checker for Pod files.
Release::Checklist
A check list of things to look at when releasing a new module.
Task::Kensho
A list of recommended perl modules. Especially useful are Task::Kensho::ModuleDev and Task::Kensho::Testing which contain modules recommended for development and testing.
Test::Pod, Test::Pod::Coverage
These are used to make sure that no pod files are missing and that they cover all of the functions in a module.
Travis CI
Tool which is combined with GitHUB to automatically make sure that ever new checkin passes all tests on a number of different perl versions.

The tool I wish I had the most, but don't (to my knowledge) would be a place where I could log in to and select the OS, version of perl, and version of any prerequisite modules in order to debug a test from the cpantesters site. If this exists and I don't know about it, please fill me in!

In reply to Improving the quality of my modules by SBECK

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