BSK Column Posts is very easy to use. You just need insert shortcode to the place where you want to show. The plugin will then query WordPress posts/pages and display in column.
And it support any post types in your WordPress, includes custom post types. Also support display posts by taxonomy.
A simple shortcode example is:
[bsk-colposts include="1,2" columns="2"]
It will show posts with ID of 1 and 2 in two columns.
Here's the list of shortcode parameters.