Shashank Sahu

Easy Login and Registration features with popup.
Features:
<ol>
<li>Easy to Login and Register (as modal)</li>
<li>Well customizable</li>
<li>100% responsive</li>
<li>provides sample login and registration pages</li>
<li>Compatible with all themes</li>
<li>Tested with latest WP version</li>
<li>Possible to replace wp-login.php with a custom “Login”, and “Registration” pages</li>
<li>provides after-login/registration/logout actions</li>
</ol>
Customization options:
<ol>
<li>Add plugin’s classes to your buttons to attach modal.</li>
<li>Select pages for ‘After-Login actions’ and ‘After-Logout actions’.</li>
</ol>

Wonder Login

Easy to implement login and registration by ajax .

fergbrain

Forces new users to register additional fields. Available fields are:
<ul>
<li>First Name</li>
<li>Last Name</li>
<li>Nickname</li>
<li>AIM screen name</li>
<li>Yahoo IM screen name</li>
<li>Jabber/Google Talk user name</li>
</ul>

Force User Field Registration

Forces new users to register additional fields (such as first name and last name). Note: WordPress 2.5 or higher is definite required due to new erro …

Wonder Login vs Force User Field Registration