If some of thing comes with pros, then on other end it does involves risks too. And the biggest risk that every blogger today or tomorrow face is of spammer. While the content management system comes with pre-installed functionality to fight with spam but still to have things double protected, here in this article, I have rounded up the best of WordPress anti-spam plugins.
WangGuard
The plugin is the most advanced protection against sploggers and spam users registration. It is fully compatible for WordPress, WordPress MU, BuddyPress and bbPress 2.0.
Simple Trackback Validation with Topsy Blocker
The plugin performs a simple but very effective test on all incoming trackbacks in order to stop trackback spam.
Akismet
The plugin checks your comments against the Akismet web service to see if they look like spam or not and lets you review the spam it catches under your blog’s “Comments” admin screen.
Spam Free WordPress
The plugin blocks automated spam with zero false positives.
Sabre
Sabre is an acronym for Simple Anti Bot Registration Engine. It’s a set of counter measures against spam registration on your blog.
CleanTalk. Anti-spam app
The plugin lets no spam in the comments. It is a smart, simple anti-spam app without CAPTCHA.
Inpsyde AntiSpam
The plugin scrambles a word and pieces it together automatically via JavaScript. Users with JavaScript enabled won’t notice anything. Those who have JavaScript disabled have to type the word into a textfield. This plugin won’t help against a targeted spam attack but should prevent a lot of random spam.
Spammer Blocker
The plugin prevents users from commenting or viewing your website if a comment of theirs has been marked as spam.
Spam Destroyer
The plugin stops automated spam while remaining as unobtrusive as possible to regular commenter.
Peter’s Custom Anti-Spam
The plugin stop a lot of spambots from polluting your site by making visitors identify a custom word displayed as an image before commenting.
NoSpamNX
To protect your Blog from automated spambots, this plugin adds invisible form fields to your comment form.
Anti-spam
The plugin blocks spam in comments automatically, invisibly for users and for admins.
WP Anti Spam
The plugin can anti automated spambots or anti spams by “comment”, “ip”, “name”, “email” and “url”.
Growmap Anti Spambot Plugin
The plugin defeat automated spambots by adding a client side generated checkbox asking the comment author to confirm that they are not a spammer.
AVH First Defense Against Spam
The plugin gives you the ability to block spammers before any content is served.