Plugins on the list:

The Options Framework Plugin makes it easy to include an options panel in any WordPress theme. It was built so developers can concentrate on making t …

Categories: General

Adds a debug menu to the admin bar that shows query, cache, and other helpful debugging information.

Categories: General

Adds a PHP/SQL console to the Debug Bar. Requires the Debug Bar plugin.

Categories: General

Logs the usage of deprecated files, functions, and function arguments, and identifies where the deprecated functionality is being used.

Categories: General

View detailed system information and keep track of your WordPress memory usage, including peak and current usage, and have e-mail notifications sent i …

Categories: General

Dump variables and traces in an organized and interactive display. Integrates seamlessly with Debug Bar.

Categories: General

Displays all the hooks( Actions and Filters ) for the current request in Debug Bar panel.

Categories: General

The Plugin Debug Objects provides a large number of information: query, cache, cron, constants, hooks, functions and many more.

Categories: General

Keeps track of the queries, loading time, and memory usage of your Wordpress site.

Categories: General

List query-actions only for admins; for debug purposes

Categories: General

A plugin by a WordPress developer for WordPress developers.

Categories: General

Adds a WooCommerce debug panel to the Debug Bar plugin.

Categories: General

Displays and emails system information for debugging purposes for easy debugging of your own or a client/user site.

Categories: General

Displays a list of actions fired for the current request. Requires the debug bar plugin.

Categories: General

Work with FirePHP, only PHP5 and a sample af values of WordPress

Categories: General