webvitaly

<ul>
<li><a href="https://1.envato.market/KdRNz" title="Advanced iFrame Pro" rel="nofollow ugc">Advanced iFrame Pro</a></li>
<li><a href="http://web-profile.net/wordpress/plugins/login-logout/" title="Plugin page" rel="nofollow ugc">Login-Logout</a></li>
<li><a href="http://web-profile.net/donate/" title="Support the development" rel="nofollow ugc">Donate</a></li>
<li><a href="https://github.com/webvitalii/login-logout" title="Fork" rel="nofollow ugc">GitHub</a></li>
</ul>
“Login-Logout” plugin adds widget with login or logout link. Also can be shown register or site-admin link. It is the replacement of the default Meta widget.
<h4>If user is not logged in there are such links:</h4>
<ul>
<li>login (after login action user will return to previous page);</li>
<li>register (if user can register) (if checkbox is active);</li>
</ul>
<h4>If user is logged in there are such links:</h4>
<ul>
<li>welcome text with link to user profile (if checkbox is active);</li>
<li>logout (after logout action user will return to previous page);</li>
<li>site admin (if checkbox is active);</li>
</ul>

Login-Logout

Widget with login, logout, admin and register links. Replacement of the default Meta widget.

prontotools

zkancs

Use a simple, single shortcode to allow your visitors to login or logout depending on their current status.
The shortcode outputs an a href link for you to add in the header, footer or anywhere else on your website.
Example Shortcode:
<pre><code>[login-logout text_to_login="Login" text_to_logout="Logout" class="custom-class" redirect="/shop/"]
</code></pre>
Available Parameters:
<ul>
<li>text_to_login – The text to prompt logged-out users to log in.</li>
<li>text_to_logout – The text to prompt logged-in users to log out.</li>
<li>class – Any optional custom classes to be added to the link.</li>
<li>redirect – An optional page to redirect to after logging in/out. If not included, users will redirect to whatever page they’re on when they click the link.</li>
<li>login_url – An optional parameter that user can change the URL login page</li>
</ul>

Login Logout Shortcode

A single shortcode you can place anywhere to allow visitors to login/logout.

Login-Logout vs Login Logout Shortcode