WordPress Authorship Plugin: Custom About Author
Get all of your social networks, author profile and Gravatar displayed at the bottom of your posts. Linking your Google+ profile and with your posts easy as pie. We like how easy and accessible this plugin is.
WordPress Social Sharing Plugin: Socialize
Socialize is the best social sharing tool we have found for WordPress because it is functional, simple, and has the best social sharing buttons. Most of the other plugins have bad styling that is too clumsy. Socialize is simple way to display your buttons at the top and bottom of your web page. It has a customizable template as well.
WordPress SEO By Yoast Is The Best
Building your WordPress site to have the best SEO it requires a great plugin. In general WordPress does a pretty good job of generating titles and urls, but WordPress SEO by Yoast takes much greater control of your website. This tool gives you many features that make it the best for WordPress.
