As Metabox Easy To Use WordPress Metabox Framework And More Customizable Option. You Can Make Beautiful Metabox Option
Usage as Plugin
1. Upload ‘as-metabox‘ folder to the ‘/wp-content/plugins/’ directory or Install as a regullar WordPress plugin
Usage as Theme
2. require_once get_template_directory_uri() .'/as-metabox/as-metabox.php';
After installation, you can modify and change directly metabox-config files from as-metabox/config folder or you can make another new option using wp hook
add_action('as_metabox_init', 'your_function_name');