Today we've released a new version of OS Social Comments and Sharing with a range of expected features and updates. The functionality of Joomla social share module is extended withJoomla Disqus comment system, Vkontakte comment widget and Google+ comments box. Also we've added Instagram, Pinterest, Tumblr buttons for share and follow and 3 new icon types are available: Round, Square and Tongue. Let's look at these features closely. Read more here:  http://ordasoft.com/News/News/social-comments-and-sharing-with-disqus.html...

JExtensions provides JE Social Icons with a social icons support for Twitter, facebook, Flickr, Pinterest, Friendfeed, Delicious, Digg, Last.fm, Linked in, YouTube and Feed. The author plans to integrate more than these icons in its module. The download is free. You can use this free social icons module in Joomla 2.5 or Joomla 3.0.