Peek under the hood with sixty debugging reports just one click away.
Trace the execution time of plugins, themes and core files to find the bottlenecks of your system.
Quickly shows the template used for current page, number of queries, and execution time for PHP code.
Kint is a modern and powerful PHP debugging helper, which requires zero-setup and replaces var_dump(), print_r() and debug_backtrace().
WP Tracy is a plugin that automatically inserts debugger (Nette) Tracy into WordPress.
Code debug made easier and more enjoyable.
Plugin implements the awesome dBug class created by Kwaku Otchere for use in WordPress plugin debugging