A simple plugin that adds a google+ widget for linking to your google+ profile and showing your number of followers
Adds Google +1 stuff to the blog. E.g. a overview of the number of shared articles.
Adds a set of cool icons and widgets at the end of your post for your readers to share.
Elegant and simple social sharing solution for your blog. Supports Facebook, Twitter and Google+.
Combine Twitter, Facebook, Google+, Flickr, YouTube, and custom RSS feeds into one stream.
This plugin creates a widget which displays Google+ stream in your sidebar.
Streams your activity from over 50 different sources to your blog.
Simple Sharing Sidebar Widget
New Google+1 button from Google. As seen on MASHABLE, TECHCRUNCH and many other websites. (Has advanced CSS option for better positioning)