Spam Free WordPress
Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.
Plugin tag: antispam
reCAPTCHA in WP comments form
reCAPTCHA in WP comments form is an ANTISPAM tool that adds a Google reCAPTCHA to…
Spam Destroyer
Kills spam dead in it's tracks. Be gone evil demon spam!
WP-Hashcash
Client-side javascript blocks all spam bots. XHTML 1.1 compliant.
Kama SpamBlock
Light and invisible method to block auto-spam when spam comment is posted. Pings and trackbacks…
FV Antispam
FV Antispam is a powerful and simple antispam plugin. It moves any spambot comments directly…
Gravity Forms Zero Spam
Enhance your Gravity Forms to include anti-spam measures originally based on the work of David…
Easy Captcha
Several types of captcha to protect your site in one easy to use plugin.
WP Spam Fighter
Comment spam prevention without moderation, captchas or questions
Captcha by BestWebSoft
1 super security anti-spam captcha plugin for WordPress forms.
WP-reCAPTCHA-bp
Integrates reCAPTCHA anti-spam methods with WordPress sites using BuddyPress plugin, including comment and registration spam…
WP referrer spam blacklist (fight 521+ Referrer Spammers in (Google/Piwik) Analytics)
WordPress plugin to fight with 500+ referrer spammers (like semalt, buttons-for-website and many more).
En Spam
Block spam with cookies and JavaScript. All Spambots will remain away from your blog. Without…
CheckBot
This antispam plugin provides very simple(one-click) and powerful captcha for your blog.