Users Ultra is the ideal plugin for creating advanced user communities & networks in few minutes. Facebook, Twitter, LinkedIn, Yahoo, Google.
Restrict access to readers who login with a permitted email addresses (no usernames or passwords!). Ideal for private/personal/family blogs.
Use your template styling to create a semi-transparent teaser overlay.
Advanced yet accessible content permissions. Give users or groups type-specific roles. Enable or block access for specific posts or terms.
Add the ability for members to choose who can read/see his activities and media files.
WordPress Website Security Protection: Firewall Security, Login Security, Database Security... Effective, Reliable, Easy to use...
Limit rate of login attempts and block ip temporarily (Up to 10 minutes). It is protecting from brute force attack.
DiaryPress lets you keep a private diary.
Secure your site by requiring users to log in.
Limit access to the site to those with a cookie token. Visitors without the cookie see a customisable "coming soon" style of page.
Simple Ajax Chat displays a fully customizable Ajax-powered chat box anywhere on your site.
Take control of WordPress. Adds over 50 more settings to your admin.
CMS-like permissions for reading and editing. Content-specific restrictions and roles supplement/override WordPress roles. User groups optional.
The plugin Limit Attempts allows you to limit rate of login attempts by the ip, and create whitelist and blacklist.
Protect files, track downloads on Google Analytics, and run other custom code when a file in the wp-content folder is accessed.
The Wordfence WordPress security plugin provides free enterprise-class WordPress security, protecting your website from hacks and malware.
The plugin Htaccess allows controlling access to your website using the directives Allow and Deny.
For bbPress - Creates private forum groups
Stop your website email addresses from being scraped and harvested by spammers with the best email obfuscator protection available.
Defence from all attacks with Security by Supsyctic. Firewall, Login Security, Hide WordPress, Blacklist, Country blocking, captcha on login and more
Grant read-only permission for selected users (with no administrator role) on selected private posts.
When creating new posts or pages (of regular WordPress types or custom post types), this plugin makes them private by default.
Display a portion of a post content only to users of a specific role or to a single user.
Create a Private Site visible only to your registered users.
Browse and select photos from any public or private Google+ album and add them to your posts/pages. This is an unofficial fork of "Picasa and Goo
Creates a 'Coming Soon' page that will show for all users who are not logged in
Some themes prefix post titles with "Protected" or "Private"; this plugin removes those prefixes
Force Login is a simple lightweight plugin that requires visitors to log in to interact with the website.
Keep your site privacy *and* automatic pingbacks!
WP-HideRefer adds proxies to your outgoing links, keeping your site private!