If you need a flexible and lightweight social share plugin for joomla you should look at SP Share! This is really an awesome plugin for its features. You will able to share your Joomla or K2 contents with Facebook, Twitter, Digg, Linkend and Plusone followers in a very easy way using this plugin. It allows you to display the share button like a button or box style and can be placed at four different positions in an article.

SP Simple Map is the world lightest and simplest Google map module for Joomla. You can easily show your location to your visitors by putting Latitudes and Longitudes value of your location. You have the options to set default Zoom and map height. You can also specify the map type from the module admin.

This module is compatible with Joomla 1.5, 1.6 and 1.7.

SP Comments is an awesome commenting plugin for Joomla! based on the comment engines Disqus, IntenseDebate and even Facebook! You can use it for your website to add commenting features with Disqus and IntenseDebate sub-domain ID and Facebook's App ID. You will also be able to use Facebook Comments Moderation Tool to moderate your comments.

SP Quick Contact is a very simple contact module for Joomla! This Ajax based contact module is built with mootools.

Fields are validated via Javascript and if there are no errors e-mails are sent with an Ajaxed interface.