Blair Williams

Enables you to optionally push users to your <a href="http://aweber.com" title="AWeber" rel="nofollow ugc">AWeber</a> email list when they signup through mingle… This plugin requires you to also be running <a href="https://wordpress.org/extend/plugins/mingle" title="Mingle" rel="ugc">Mingle</a>.
<h4>See Mingle In Action!</h4>
If you’re wondering what Mingle is — it is another WordPress plugin that easily turns your wordpress blog into a social network. You can now try Mingle out in our Mingle Community! Come be my friend at:
<a href="http://wpmingle.com" title="Mingle WordPress Community" rel="nofollow ugc">Mingle WordPress Community</a>

Mingle AWeber Signup

Enables you to optionally push users to your AWeber email list when they signup through mingle... This plugin requires you to also be running Mingle.

Jason Coleman

Paid Memberships Pro

Add users and members to AWeber lists based on their membership level.
This plugin offers extended functionality for <a href="https://wordpress.org/plugins/paid-memberships-pro/" rel="ugc">membership websites using the Paid Memberships Pro plugin</a> available for free in the WordPress plugin repository.
With Paid Memberships Pro installed, you can specify unique lists for each membership level.
The settings page allows the site admin to specify which lists to assign for all users and members to plus additional features you may wish to adjust. The first step is to connect your website to AWeber using your account’s authorization code.

Paid Memberships Pro – AWeber Add On

Add users and members to AWeber lists based on their membership level.

Mingle AWeber Signup vs Paid Memberships Pro – AWeber Add On