Social Warfare is also a very good WordPress social media plugin that comes with highly customization options and lightweight.
This is my favorite and best social share plugin. I use it on most of my blogs. It looks very attractive on any screen size. Social Warfare includes top social share buttons like Facebook, Twitter, Google+, Pinterest, LinkedIn, Mix.
• Share counts
• Responsive design
• Placement option
• Popular posts widget
• Analytics and link shortening