Miaz Akemapa

Regnomail is a plugin to customize your registration form. It disable sending email confirmation during user registration to admin and to user itself.
Regnomail Features:
<ul>
<li>Disable email confirmation to user during registration</li>
<li>Disable new user email notification to admin</li>
<li>Disable user change password notification (lost password) to admin</li>
<li>Show password input form, so user can input their own password</li>
<li>Show First and Last name input form</li>
<li>Change login / registration logo image.</li>
</ul>
Read more details here: 
<a href="http://www.vnetware.com/regnomail" rel="nofollow ugc">http://www.vnetware.com/regnomail</a>

Regnomail

Disable new user registration confirmation email.

noideaboy

Make the login/registration process on your website simple, beautiful and quick for your website users. This easy to use plugin implements AJAX login and registration on your website. It provides a widget called ‘Ajax Login by WPH’ with which you can setup a beautiful login/registration popup for your website viewers. You can conveniently control its settings including styling and page redirection from the widget screen.
Main Features:
<ol>
<li>Login</li>
<li>Registration</li>
<li>Forgot Password</li>
</ol>
Other Features:
<ul>
<li>Fully translation ready</li>
<li>Beautiful interface with styling control</li>
<li>Optional header image for branding your popups</li>
</ul>

Ajax Login By WPH

Beautiful AJAX login and registration popups for your website.

Regnomail vs Ajax Login By WPH