Many plugins use shortcodes to work with WordPress. Sometimes, there are too many such shortcodes and it is simply impossible to remember which shortcode for what and how to write it. To simplify this task, a plugin was created Shortcode Menu Dropdown. Plugin after installation is embedded above the text editor and in the drop-down menu displays all the shortcodes existing on the site, even sometimes those that you did not suspect.
It all looks like this:

Post is small, since the plugin is simple, but I hope you will have something to add in the comments.