Excelle is a free Tumblr blog theme that features a two-column design except for the full-width permalink pages. You can also post full-width posts by posting any content with the tag “xl.” This theme also comes with an infinite scrolling feature that helps your users to browse your blog without clicking any pagination button. This theme also comes with highly customizable options such as fonts, colors, etc. which are easy to edit. Excelle theme also features Pinterest, Instagram, and Flickr widgets to display your social media posts. This theme also comes with ask and submit pages. Not to mention, you can also integrate this theme with the Disqus comments system.