Restrict pages, posts, custom post types, menus and widgets to members, nonmembers or specific roles and still add to navigation
Limit access to visitors who are logged in or allowed by IP addresses. Includes many options for handling blocked visitors.
Allows admins to create user membership groups and set access restrictions for any post, page or section.
Force Login is a simple lightweight plugin that requires visitors to log in to interact with the website.
Mark your site as "Restricted to Adults" with one click.
Manage easily, who is allowed to access your blog or certain parts of your blog or just improve the security of your installation
This plugin allows you to mark a page as "Members Only" and still add it to menus (Only visible if logged in)
Get full control over WordPress menus! Set visibility of menu items, control access per user role and logged or non-logged in users!
Control access to registered users only of certain posts by assigning the "Subscribed" category to those posts. In additions, any texts wit
Display menu or widget items based on if a user is logged in, logged out or both.
An alternative process for user login and registration, based on shortcodes and separate from the default wordpress one.
Redirecting user to login page if not logged in, working also with domains what includes umlaut letters like ö, ä, õ, ü
Restrict your blog to a specific list of Facebook users.
Integration zeen101's Leaky Paywall WordPress plugin with bbPress. More info at http://zeen101.com