nickpagz

The Toggle Anything block allows you to control visibility of other blocks on the page via user interaction. 
A common example is a pricing page where a user can toggle between monthly vs yearly subscription pricing. With this plugin allows you to design your own pricing tables using core blocks, then control the which items are visible or hidden when the switch is toggled.
<h3>Features</h3>
<ul>
<li>Toggle visibility of any element on the page. Does not need to be a nested block.</li>
<li>Set a default toggle state.</li>
<li>Choose your own “On” and “Off” state class names.</li>
<li>Non-Javascript friendly. Default state content displays, toggle is hidden.</li>
<li>Additional classes to show or hide other related components on non-Javascript browsers.</li>
<li>Multiple toggles allowed on the same page.</li>
<li>Multiple design configurations for each toggle.</li>
<li>Option for adding text in on/off positions.</li>
<li>Easy Custom CSS additions for each toggle/switch component.</li>
</ul>

Toggle Anything

A customizable toggle switch used to control visibility of other blocks on the page.

sevenspark

The Menu Swapper provides two utilities:
<ol>
<li>
A settings page that allows you to register unlimited menu theme locations
</li>
<li>
A meta box that will appear on Pages and Posts, which will allow you to replace existing menu theme locations with your new theme locations for those individual Posts/Pages.
</li>
</ol>
<a href="http://www.youtube.com/watch?v=kAd0_RKvvLw" rel="nofollow ugc">Video demo</a>

Menu Swapper

The Menu Swapper allows you to register custom theme locations and easily swap menus on individual Pages or Posts.

Toggle Anything vs Menu Swapper