You want a flexible CMS that allows you to use any framework or theme you want? Look no further.
Default image settings and new focus crop
Creating images on the fly and cropping
Making a custom admin theme using uikit 3 and the included build tools
URL segments and the page reference field
How to set up pagination
Enabling the new Uikit admin theme
Creating a main menu and sub-menu for your website
Creating and using custom page titles
Appending a file and initialising variables