themifyme

Easily create metaboxes for your posts and custom post types, or for user profiles. 
Please note, this plugin is intended for developers, to see how to use this plugin you can checkout the “example-functions.php” file inside the plugin.
Supported field types
<ul>
<li>textbox: general text input</li>
<li>image: image uploader, allows user to upload images directly or use the WordPress media browser</li>
<li>video: same as “image” but only allows uploading video files</li>
<li>audio: same as “image” but only allows uploading audio files</li>
<li>dropdown: multiple choice select field</li>
<li>radio</li>
<li>checkbox</li>
<li>color: color picker</li>
<li>date: date and time picker, with options to change the formatting of the date</li>
<li>gallery_shortcode: upload and select multiple images</li>
<li>multi: allows displaying multiple fields in the same row</li>
</ul>

Themify Metabox

Metabox creation tool with advanced features.

lili0allen

With this plugin, you can create your own variables and use them in WordPress site. It is much more convenient when you update your variables. For example, your contact phone number displays in four places on your site. When you need to update your phone number, you have to find each of them and edit them one by one. With this plugin, you only need to edit it once at the control panel. You can put the shortcode anywhere on your website.

Custom Variables

Custom Variables provides an convenient way of setting WordPress global options. You can use it anywhere on your WordPress site.

Themify Metabox vs Custom Variables