Plugins on the list:

Convert Non-Latin characters in post, page and term slugs to Latin characters.

Categories: General

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

Categories: General

What The File is the best tool to find out what template parts are used to display the page you're currently viewing!

Categories: General

Query Monitor is the developer tools panel for WordPress.

Categories: General

Extends the debug-bar plugin with additional tabs to measure runtimes between checkpoints and lookup variable content.

Categories: General

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

Categories: General

Debug Bar List Script & Style Dependencies is an add-on to WordPress Debug Bar

Categories: General

Debug Bar Post Types adds a new panel to the Debug Bar with detailed information about registered post types. Requires "Debug Bar" plugin.

Categories: General

Debug Bar Shortcodes adds a new panel to the Debug Bar that displays the registered shortcodes for the current request.

Categories: General

Extends the Query Monitor and Debug Bar plugins for ElasticPress queries.

Categories: General

Developers! Check your variables.

Categories: General

Enables the previous "classic" editor and the old-style Edit Post screen with TinyMCE, Meta Boxes, etc. Supports all plugins that extend this screen.

Categories: General