The Developer plugin is a WordPress developer’s best friend – aside from his dog, of course. It’s a plugin developed collaboratively by Automattic and a number of other talented WordPress developers. Created to help you optimize your development environment, the WordPress Developer plugin gives you quick access to all of the best tools for theme and plugin development.
When you install the plugin, a screen will pop up to ask you what type of project you’re working on so that it can tailor its recommendations for you. You’ll be presented with three options:
Plugin for a self-hosted WordPress installation