AddThis - AddThis free website tools include share buttons, targeting tools and content recommendations help you get more likes, shares and followers and keep them coming back.
Blog2Social - Auto post, cross post, re publish, re post and schedule your WordPress blogs posts to social networks like Facebook, Twitter, LinkedIn, Instagram, Pinterest
Shareaholic - Shareaholic is trusted by over 300000 brands, businesses, agencies, and individuals to grow website traffic and engagement 24 hours a day, 7 days a week.
Jooicer - Superpowers to boost your Twitter Growth
Pluso - Pluso is a social sharing tool.
Facebook Apps and Tabs - Customize your Facebook page with a variety of tabs, apps and design elements. Optimize your Facebook presence with Facebook Apps.