WP Tracy

Code debug made easier and more enjoyable.

You can use this plugin to manually log data or to capture logging on WordPress actions. You can capture load time, memory, backrace, data dumps, urls …

Deprecation Checker simply scans your plugins, themes, and custom directories for deprecated functions.

Peek under the hood with sixty debugging reports just one click away.

A professional, modular debugging toolbar for developers. Inspect SQL, Rewrite Rules, Hooks, Cron events, and Options without cluttering the frontend.

This plugin adds an “Open In Social Debugger” link to the admin bar, which opens the current page or post in a social network debugger.