JS Morisset

Ridiculously Responsive Social Sharing Buttons automatically resize to their container width, so they always look great on any device (phone, tablet, laptop, etc.), no matter its size or resolution – including mobile, Retina, and high-PPI displays!

<h3>WPSSO RRSSB Add-on Features</h3>
Include responsive social sharing buttons in many locations:
<ul>
<li>Above and/or below your content, excerpt text, WooCommerce short description, and WooCommerce add to cart.</li>
<li>In the admin editing page Document SSO metabox.</li>
<li>In a CSS / javascript sidebar.</li>
<li>In a WordPress sharing widget.</li>
<li>From a shortcode in your content or excerpt.</li>
<li>From a function in your theme’s template(s).</li>
</ul>
Provides UTM medium, UTM source, and UTM campaign values for each social sharing button.
A stylesheet editor allows you to easily fine-tune the CSS for each social sharing button location (content, excerpt, shortcode, widget, etc.).
Includes CSS and JS libraries provided by the <a href="https://github.com/kni-labs/rrssb" rel="nofollow ugc">RRSSB project on GitHub</a>.
<h3>WPSSO Core Required</h3>
WPSSO Ridiculously Responsive Social Sharing Buttons is an add-on for the <a href="https://wordpress.org/plugins/wpsso/" rel="ugc">WPSSO Core plugin</a>, which creates extensive and complete structured data to present your content at its best for social sites and search results – no matter how URLs are shared, reshared, messaged, posted, embedded, or crawled.

WPSSO Ridiculously Responsive Social Sharing Buttons (RRSSB)

Ridiculously Responsive (SVG) Social Sharing Buttons for your content, excerpts, CSS sidebar, widget, shortcode, templates, and editor.

Ruven

This plugin registers a widget to display links to your social networks. 
It uses font icons to display the links.
The following networks are supported:
<ul>
<li>Dribbble</li>
<li>Facebook</li>
<li>Flickr</li>
<li>GitHub</li>
<li>Google+</li>
<li>Instagram</li>
<li>LinkedIn</li>
<li>Pinterest</li>
<li>RSS</li>
<li>StumbleUpon</li>
<li>Tumblr</li>
<li>Twitter</li>
<li>Vimeo</li>
<li>YouTube</li>
</ul>

Ruven Themes: Social Widget

RT Social Widget adds a widget to display links to your social networks.

WPSSO Ridiculously Responsive Social Sharing Buttons (RRSSB) vs Ruven Themes: Social Widget