The most advanced protection against sploggers and spam users registration, is fully WordPress, WordPress MU, BuddyPress and bbPress 2.0 compatible
This plugins avoids spam actions on your website (comments and contact form).
Create reusable pieces of content that you can insert into themes, posts, pages & widgets.
Stop your WordPress website from being spammed by bots and restrict it only to humans.
Distributed anti bruteforce plugin.
Puts a ribbon on the website if the user browser is older than expected.
Block visitors based on the country they are visiting from.
It can be very useful for websites targeting a specific country or region to block visito
Makes your site content visible only for several users who are in your trusted list.
Limit access to visitors who are logged in or allowed by IP addresses. Includes many options for handling blocked visitors.
Maven Member™ lets you protect pages, posts and categories using flexible roles that you can define.
Removes the default admin bar from the front end of your site.
Prohibit authors edit published posts after a specified time interval
Plugin tool for assembling lists of IP addresses, emails, and URLs from spam comments.
WangGuard - Wysija Newsletter Connector is a plugin for connect WangGuard plugin with Wysija Newsletter.
Browser Blocker allows you to pick and choose which browsers(versions) can access your web page and which ones are given a blocked splash screen.
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