Web Guy

Add a Twitter style love/like/upvote button to your content.
By default, a love button is added to the bottom of the post content area, which can easily be styled with CSS.
Or use a simple shortcode:
<pre><code>[love]
</code></pre>
Or use a simple shortcode with the following available parameter:
<pre><code>[love url="https://example.com/"]
</code></pre>
Or use the direct HTML code (with additional <a href="https://github.com/webguyio/love" rel="nofollow ugc">configuration options</a>):
<pre><code><div class="love"><a class="love-button"></a></div>
</code></pre>

Love Button

Add a Twitter style love/like/upvote button to your content.

Liam Gladdy

A WordPress plugin to allow simple upvoting of post objects by a user.

Upvotr

A WordPress plugin to allow simple upvoting of post objects by a user.

Love Button vs Upvotr