Drupal is a free, open-source web development platform for online content and user communities. Drupal powers some of the busiest sites on the web, and can be adapted to virtually any visual design. Drupal runs over a million sites, including WhiteHouse.gov, World Economic Forum, Stanford University, and Examiner.com. Yes I am a drupal coder.
I have done my masters in computer science, and I stood in the place of 47 among 35K master degree entrance exam aspirants. I have done several course related to cryptography, data mining, DBMS, Systems security, Operating Systems, Game Theory, Computer Networks, Programming Languages, and Machine Intelligence.