ProfilePress!

Social networking in a box. Build a social network for your company, school, sports team or niche community all based on the power and flexibility of WordPress. Install BuddyPress directly through your WordPress dashboard plugins page, or download it manually from the WordPress.org plugins repository.

WP User Frontend is your all-in-one Frontend companion for WordPress. It packed with features that complete all of your Frontend needs: ?Subscription ?Membership ?Guest Posting ?Profile Builder ?Registration Form ?Custom Fields.

Ultimate Member is a powerful and flexible plugin that makes it a breeze for users to sign-up and become members. The plugin allows you to add beautiful user profiles to your site and is perfect for creating advanced online communities. Lightweight and highly extendible, Ultimate Member will enable you to create almost any type of site where users can join and become members with absolute ease.

WP-Members™ is a membership plugin for WordPress®. Perfect for newsletters, premium content sites, and more! The plugin restricts selected WordPress® content to registered site members. WP-Members™ puts the registration process on the site front end so it is inline with your content (and thus your branded theme) instead of the native WP login page. WP-Members™ works with no modifications to your theme, but it is scalable for users that want to customize the look and feel, or want to restrict only some content. It is a great tool for sites offering premium content to subscribers, and is adaptable to a variety of applications. »

MemberPress is a full-featured membership solution for WordPress that's very easy to use but still incredibly powerful.

Paid Memberships Pro offers a complete membership solution for WordPress featuring unlimited levels, recurring payments, registration & profile fields, protected member content, robust member management and more.

The s2Member® Framework (free) integrates with PayPal Website Payments Standard (also free). Sell "Buy Now" or Membership access to your site. Restrict access to Roles, Capabilities, Posts, Pages, or anything else in WordPress.

WooCommerce Memberships is an extension for WooCommerce that allows you to restrict your content so that it’s only accessible to members on your site. Customers can get access to a membership by purchasing a product, or you can choose to only create memberships by manually assigning them to customers.