Jenst

Settings:
<ul>
<li>Mobile location</li>
<li>Mobile breakpoint</li>
<li>Background color</li>
<li>Text brightness</li>
<li>Logo as text or image</li>
<li>Logo and menu font family</li>
<li>Disable navigation, menu location, CSS, javascript</li>
<li>Hide on scroll, on or off</li>
<li>Custom CSS</li>
</ul>
If you don’t want the HTML to go through the action wp_footer, place this somewhere after the beginning of your body-tag: <code><?php do_action('mn_nav'); ?></code>. It might be better for readability and perhaps SEO.

Mobile Navigation

This broke my whole site on mobile mode.



Don't use if you are on hueman theme

A responsive fullscreen mobile menu navigation. Activate it for your custom made theme to save some time.

joe_bopper

Adds search box as a choice of item in navigation menus admin area.
Features include:
<ul>
<li>now compatible with the WordPress appearance customizer,</li>
<li>search box available as a choice in the admin area for navigation menus,</li>
<li>as many boxes can be added to a nav menu as one likes,</li>
<li>search boxes can be added as children of other menu items (useful for, e.g., mega-menus),</li>
<li>capacity to change button text, placeholder and css classes from the admin area to each search box,</li>
<li>hooks to modify output (see FAQ and/or code comments),</li>
<li>very lightweight,</li>
<li>in keeping styles, html, behaviour, etc., with wordpress defaults,</li>
<li>works straight out of the box, no configuration needed.</li>
</ul>
<h4>Those wanting to translate this plugin, please do.</h4>
I believe the plugin is in a translatable state and I’ll do everything I can to help in translation. It should be relatively quick as there isn’t much text to the plugin.

Bop Search Box Item Type For Nav Menus

I like the way it behaves like any menu item so you can position and decorate it how you want. Thanks to Joe for putting me right on how to get at the placeholder text.

Nice Plugin

Adds search box as a choice of item in navigation menus admin area.

Mobile Navigation vs Bop Search Box Item Type For Nav Menus