markotom

<p>Did you ever wanted to create columns and rows in your horizontal sidebars? Then this plugin is for you. With the wonderful <a href="http://getbootstrap.com" rel="nofollow ugc">Boostrap 3</a> you can do it quickly and easier.</p>


Columnify

Creates columns with widgets quickly and painless.

imageDESIGN

<p>This plugin will replace your default content editor with flexible multiple column editors, allowing you to add up to 4 columns of content to your page.  Column widths can be easily altered and are responsive to mobile, tablet and desktop device sizes.  This plugin requires the PRO version of Advanced Custom Fields to work as it makes use of  Flexible Content fields.</p>


ACF Flexible Columns

Replace the regular single content editor with responsive multiple column editors.

Columnify vs ACF Flexible Columns