Drupal CMS (best for high traffic blogs)
What is Drupal? It is a free content management system (CMS) platform that powers most higher education websites and heavy traffic websites like BBC, NBC, whitehouse.gov, Oxford University, e.t.c. It was founded by Dries Buytaert in 2001.
Platform Features: Personalization, Secure, Marketing Automation and Content Authoring.
Address: Drupal headquarters is located in Antwerp, Belgium.