tommie

LikeBot.com is a decentralized like-system with the intention to make the integration as simple as streamlined as possible for the user. No registration, no authentications – it’s just a very simple way for your reader to let you know if they like the post/content or not.
The LikeBot-button automatically inject itself below your content and align to the right or can optionally be position using the themes administration.
If you wish to learn a bit more about LikeBot – check out http://likebot.com

LikeBot – Decentralized like-system

Add a like/dislike feature similar Facebook right on your blog!

CRUDLab

WP Like button allows you to add Facebook like button on your wordpress blog. You can also add Share button along with Like button or can add recommend button.
<h4>Features</h4>
<ul>
<li>Create like button for site, for your fanpage or for every single post and page.</li>
<li>Display like button on homepage or all pages. </li>
<li>Display like button on specific pages.</li>
<li>Like button preview. </li>
<li>4 Types of button layouts.</li>
<li>Compatible with all type of themes. </li>
<li>Display like button with shortcode [fblike]</li>
<li>Display share button along with like button. </li>
<li>ON/OFF Indication</li>
</ul>
<blockquote>
 Docs & Support 
You can find <a href="http://bit.ly/1EjxScj" rel="nofollow ugc">docs</a>, <a href="https://wordpress.org/plugins/wp-like-button/faq/" rel="ugc">FAQ</a> and more detailed information about WP Like Button on <a href="http://crudlab.com/" rel="nofollow ugc">CRUDLab.com</a>. If you were unable to find the answer to your question on the FAQ or in any of the documentation, you should check the <a href="https://wordpress.org/support/plugin/wp-like-button" rel="ugc">support forum</a> on WordPress.org. If you can’t locate any topics that pertain to your particular issue, post a new topic for it
 Recommended Plugins 
The following are other recommended plugins by the author of WP Like Button.
<ul>
<li><a href="https://wordpress.org/plugins/crudlab-facebook-like-box/" rel="ugc">CRUDLab Facebook Like Box</a> – CRUDLab Facebook Like Box allows you to add Facebook like box to your wordpress blog. </li>
<li><a href="https://wordpress.org/plugins/wp-tweet-plus/" rel="ugc">WP Tweet Plus</a> – WP Tweet Plus allows you to add tweet button on your wordpress blog. You can add tweet Button homepage, specific pages and posts.</li>
<li><a href="https://wordpress.org/plugins/jazz-popups/" rel="ugc">Jazz Popups</a> – Jazz Popups allow you to add special announcements, messages, tips, offers on your homepage or every page of your wordpress website. You can add text, image or video.</li>
</ul>
</blockquote>

WP Like Button

WP Like button allows you to add Facebook like button on your wordpress blog.

LikeBot – Decentralized like-system vs WP Like Button