Radek Mezulanik

This contact form contains Google reCaptcha as requirement. You can choose to accept attachment or not. 
If you use Classic editor, you will have a button for shortcode here.
Possible shortcodes:
<ol>
<li>
[contact]
</li>
<li>
[contact email=”yourmail@example.com” subject=”Your subject”]
</li>
<li>
[contact email=”yourmail@example.com”]
</li>
<li>
[contact subject=”Your subject”]
</li>
</ol>

Zedna Contact form

Contact from with attachments and reCaptcha in shortcode.

yoren

Yoren Chang

This plugin is made for:
<ul>
<li>Search through all fields in Media Library, including: ID, title, caption, alternative text and description.</li>
<li>Search Taxonomies for Media, include the name, slug and description fields.</li>
<li>Search media file name.</li>
<li>Use shortcode <code>[mse-search-form]</code> to insert a media search form in posts and template files. It will search for media by all fields mentioned above.</li>
</ul>

Media Search Enhanced

Search through all fields in Media Library.

Zedna Contact form vs Media Search Enhanced