WordPress database tools for debugging.
Visually indicate the current server tier (dev, staging, production, etc.)
Gives WordPress developers an easy way to test their functions and code in a live WordPress environment.
Flexible AB Testing is an easy to use plugin that will help you handle your A/B Testing in less than a few minutes.
Cross browser testing for WordPress. The Browsertest plugin allows you to open the current page in BrowserStack directly from the admin bar.
Checks if the WordPress HTTP API is able to be used.
WP Mailtrap is a simple plugin to test emails in WordPress with the Mailtrap API.
Makes it easy for LTR language speaker to test the RTL website layout by mirroring it so it looks like LTR.
Gives you the option to determine which plugins must be automatically activated either on local, staging or productions stages.
Framework required for all Pure Web Brilliant plug-ins, themes and CMS features.
Preflightcheck runs various php test scripts to avoid errors when developing and deploying. Preflightcheck is easily extensible.
WordPress headline testing with Optimizely
Rollerblade - a dead simple way for your clients to leave visual feedback on your WP site, creating information-rich tickets for you to track reports.
Update the site name to match your current theme name. It's useful for local development.
A simple Pivotal Tracker frontend for WordPress.
Easily write unit tests for WordPress plugins
A tiny nugget of Ingot - A/B testing made easy for WordPress - Do less, convert more.
Gives you the option to define which plugins must be active for a particular environment only.
Don't use this plugin. It is just for testing the plugin directory.
Easy integration of Jaco into your WordPress website.
Allows you to add placeholder content quickly and easily to your site.
Easy integration of Zeerat into your WordPress website.
Processes Xdebug cachegrind files for viewing in WordPress.
Adds the revision and path of your Subversion working copy to the admin footer.
You want one specific section of your site sometimes redirected? Thats your plugin.
Provides a simple way to remove old entries in Gravity Forms.
Enables unit testing and integration testing for WordPress plugins, using SimpleTest
WP Hooker records all fired WP hooks and their hooked functions, to easily let you debug hook issues!
This plugin really does nothing of value.