WP Dev Shed

Ryan Sutana

The easy and simple way to share you blog posts via Facebook and Twitter. Just activate the plugin and go to Appearance > Customize to set your preferences for display. You can choose to display before and/or after content on pages and posts. You can also choose to display the share buttons anywhere in a page or post using the short code [wpdev_social_share]

Social Share by WP Dev Shed

Adds Facebook and Twitter social share buttons to your blog posts.

Sparanoid

Adds readability.com widget on your site. A must-have plugin if you’re a Readability publisher. This plugin also works fine with multisite enabled WordPress (aka. WordPress Mu).
More information please visit my <a href="http://sparanoid.com/work/readability/" rel="nofollow ugc">site</a>.

Readability Buttons (readability.com)

Adds readability.com widget on your site.

Social Share by WP Dev Shed vs Readability Buttons (readability.com)