Add fields for Billing and Shipping to your registration form and synchronize them with the WooCommerce plugin.
Give your users the ability to sign up/sign in with their existing social media accounts without going through the whole registration process.
Add users directly to your MailChimp list on signup, and synchronize them with your MailChimp account.
Show or hide specific fields on the front-end registration forms or the user's profile page.
Display Pie Register fields on the bbPress profile page and allow users to edit the fields directly.
Send email in bulk to all the registered users of a particular form at once using the Bulk Email Add-on.
Charge potential users with a one-time membership payment using the Stripe Payment Add-on.
Charge potential users with a one-time membership payment using the Authorize.net Payment Add-on.
Connect your Twilio account with Pie Register and add two-step authentication to your website for secure registrations.
Track user location on form submissions and design marketing strategies specifically for them.
Allow users to search each other on your website to bring more user interaction using the Profile Search Add-on.
I love this plugin, it does exactly what it says and it’s very simple.