Smart Custom Fields is a simple plugin that management custom fields.
Post Meta is a wordpress custom post field, post type and taxonomy management Plugin. Shortcode with GUI, Import & export and many more.
WordPress metabox builder plugin. Provides an easy to use interface for building custom metaboxes with custom field types to choose from.
A meta box which helps us to add content or scripts to any part of the website, on each individual post/page. Easy to Implement with Shortcode.