Prasanna SP

Just like the normal WordPress site feed, wordpress categories and tags also has feeds. The category feed is located at <code>site.url/category/categoryname/feed</code>. This plugin automatically adds the RSS feed link to the current post categories after the post content. By default the plugin shows category feed link on single posts. You can change it’s settings to show it on other pages, such as archives as well. You can change it’s title in WP-Admin –> Settings –> Follow Category Feeds.
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Follow WordPress Category Feeds

This plugin adds link for the category feeds after post content.

Armel

AP Twitter Follow Button add a widget which allows you to add a highly cutomizable Twitter Follow Button.
<h4>Features</h4>
<ul>
<li>[NEW] Option to set the alignment of the button</li>
<li>[NEW] Option to use iframe instead of Javascript</li>
<li>Option to choose the language of your button</li>
<li>Option to show the number of followers</li>
<li>Option to show the username</li>
<li>Option to activate the large button</li>
<li>Option to activate “Opt-out of tailoring Twitter”</li>
<li>Option to prevent the Twitter <code>widgets.js</code> javascript file from loading</li>
<li>Option to set a maximum width for your widget</li>
</ul>

AP Twitter Follow Button

AP Twitter Follow Button add a widget which allows you to add a highly cutomizable Twitter Follow Button.

Follow WordPress Category Feeds vs AP Twitter Follow Button