Now you can easily create unique feed URLs for each registered user in your WordPress site simply by adding Feed Keys to the end of the existing feed URL. Unique Feed Keys are made by hashing username or email against a randomly generated key. You can choose the key length and algorithm to use to hash the salt and the key together using new WordPress plugin called Private Feed Key. It adds adds a 32bit (or 40bit) key for your website users and creates a unique feed URL.
You can make your WordPress site users to login from only single device at one time. This not only increases the security of your WordPress site but you can stop your users from sharing their login credentials with others especially if you are running a paid membership website.
Provide all your your WordPress site widgets with BuddyPress specific fields option. Display them conditionally on specific BuddyPress pages.
Role Scoper, a free WordPress plugin allows you to gain more control over reading and editing permissions in your WordPress site. Using this plugin you can assign restrictions and roles to your specific WordPress pages, posts and categories.
Sometimes when you make changes to any of your blog post and think of reviewing them before making them live, using default WordPress features what you can get is post revisions from the author and then upload them manually. But with Revisionary plugin you get option to save revisions to your published post and then they can get reviewed, then published later.