Open Source Web CMS

Movable Type is a social weblog publishing system which is developed by the company Six Apart. Movable Type is most used and extremely useful for blog platforms, as it supports multiple users, themes, comments and tagging. Movable Type has been one of the best CMS or blogging systems available and powers the largest and most influential blogs on the web. Being both a commercial and open source CMS you get the advantages and disadvantages of both sides.