WP All Import is an extremely powerful importer that makes it easy to import any XML or CSV file to WordPress.
You can export posts in CSV format for each post type. It is compatible with posts' custom fields and custom taxonomies.
This plug-in allows you to batch import of users/members taken from an uploaded CSV file.
Import data from XML, CSV and ZIP files as easy and fast as never before.
Allows for mass import of gravity forms entries from a CSV file.