Paul Kevin

Hubloy

Memberships by Hubloy gives you all the tools you need to start, manage, and grow your membership site. 
Users have full control of their membership and subscription on your site.
<a href="https://hubloymembership.com/docs/" rel="nofollow ugc">Documentation</a>
<h4>Member Experience Features</h4>
<ul>
<li>Frontend Log In</li>
<li>Frontend User Registration</li>
<li>Frontend Password Recovery</li>
<li>Frontend Profile Editing</li>
<li>Membership Account Dashboard</li>
<li>Membership Invoices and Billing Information Pages</li>
<li>Custom Emails</li>
<li>Custom Page Templates</li>
</ul>

Memberships by Hubloy – Manage memberships and subscriptions

A very useful plugin for membership management.

Simple and Solid

The best WordPress Membership Plugin. Restrict content, create rules, collect payments and more.

Joost de Valk

Redirect commenters who just made their first comment to a page of your choice. On this page, you could thank them for commenting and ask them to subscribe to your blog, like you on Facebook, whatever you want!
For a great example of what you can reach with this plugin, read <a href="http://outspokenmedia.com/online-marketing/how-we-do-it-shock-community-building/" rel="nofollow ugc">this blog post</a> by Lisa Barone of Outspoken Media.
If you want to translate this plugin, the POT file is included, please send the author an email with your .po and .mo files and they’ll be included in the plugin.
More info:
<ul>
<li><a href="https://yoast.com/wordpress/plugins/comment-redirect/" rel="nofollow ugc">Comment Redirect plugin</a>.</li>
<li>Read more about <a href="https://yoast.com/articles/wordpress-seo/" rel="nofollow ugc">WordPress SEO</a> so you can get the most out of this plugin.</li>
<li>Check out the other <a href="https://yoast.com/wordpress/plugins/" rel="nofollow ugc">WordPress plugins</a> by the same author.</li>
</ul>

Comment Redirect

Redirect commenters who just made their first comment to a page of your choice. Allows you to ask them to subscribe, like you on Facebook, etc.

Memberships by Hubloy – Manage memberships and subscriptions vs Comment Redirect