Krzysztof Jastrzebski

Alt Calendar is the simplest way to have calendar on your website.
Every user on your website can:
<ul>
<li>add their own calendars</li>
<li>add new events for their calendars</li>
<li>edit events with drag&drop or friendly dialogs</li>
<li>use their own google calendars to have them avaliable on your website</li>
</ul>
Calendar is provided with basic style for jQuery UI. You can turn it off and make a new one with your own css code.
Plugin supports localization. At this moment it’s avaliable in:
<ul>
<li>Polish</li>
<li>English</li>
</ul>
Plugin store dates in UTC and show them to user with added timezone.

Alt Calendar

Simple calendar built with fullCalendar.js. Gives ability to administrate events for multiple users.

Marcelo Guerra

This plugin gives you the ability to hide WordPress admin menu items, keeping your dashboard clean and organized. With the click of a button (also in the WordPress menu), you can show them all or return to the clean state you configured, only with the menus you want to see.

Dashboard Organizer

This plugin gives you the ability to hide Wordpress admin menu items, keeping your dashboard clean and organized.

Alt Calendar vs Dashboard Organizer