Tumblr is a micro blogging platform that allows users to post text, images, videos, links, quotes and audio to their tumble log, a short-form blog. Users can follow other users, or choose to make their tumble log private. Tumblr has a huge collection of themes so that you can give a unique and beautiful look to your tumblr blog. But its not easy to find a beautiful theme for your blog. In this post we are trying to help you guys by presenting a list of best free Tumblr themes.