MetaBox solves a big problem with related to the limitations of WP and transforms it into a CMS that can be used to build true web application. It enables creation of custom posts and custom fields that can also be accessed from the front end which opens up unlimited possibilities of what you can build. I'm going all in on this and will be sharing some examples of what I build inside the MetaBox Facebook group. This one is a no-brainer deal for WordPress users.