Debug Bar Shortcodes adds a new panel to the Debug Bar that displays the registered shortcodes for the current request.
Debug Bar Constants adds three new panels to the Debug Bar that display the defined WP and PHP constants for the current request.
Debug Bar Post Types adds a new panel to the Debug Bar with detailed information about registered post types. Requires "Debug Bar" plugin.
Custom extension of the WordPress Debug Bar. Designed from the development needs of FreshMuse