I have been using some really awesome open source tools and plugins to power this site.
1. First and foremost WordPress as the CMS. http://wordpress.org/ .
2. The social integration plugin for WP : http://bufferapp.com/diggdig
3. Google Analyticator http://ronaldheft.com/code/analyticator/
4. SEO Facebook Comments: http://www.plulz.com/
5. WP Carousel: http://sumolari.com/?p=1759
6. Used this awesome quick button generator: http://www.cssbuttongenerator.com/
7. Random Posts module widget: http://financequestionsblog.com/random-pages-widget
6. And the theme which I used as a base and modified over: Maze 1.2 by Chada Chou .