WP No-Bot Question

Simple question that blocks most spambots (and paid robots) by making them answer a common…


Compdigitec 1,000+ active installs Tested with 4.6.4 Updated 7 months ago

Anti spam comments

Stop user to submit a web address on the very first comments on any post…


samrat131 1,000+ active installs Tested with 3.3.2 Updated 5 years ago

Block-Spam-By-Math

This plugin protects your registration, login and comment forms against spambots with a simple math…


Alexander Grau 1,000+ active installs Tested with 2.7.1 Updated 8 years ago

bbPress reCaptcha

This is a simple plugin that adds a recaptcha validation to the bbPress 2.0 topic…


Pippin Williamson 1,000+ active installs Tested with 4.1.16 Updated 2 years ago

Nonce, Please!

"Nonce, Please!" is a simple plugin that prevents brute-force comments and trackbacks from spammer. This…


IKEDA Yuriko 1,000+ active installs Tested with 3.0.5 Updated 7 years ago

Yawasp – Yet Another WordPress Anti Spam Plugin

With the release of WordPress 2.8 development of Yawasp is discontinued!!! For further protection against…


Sven Kubiak, Lukas Sadzik 900+ active installs Tested with 2.7.1 Updated 8 years ago

spam-stopper

The whole idea to this plugin is to keep spammer robots from posting on your…


Mike Jolley 900+ active installs Tested with 3.0.5 Updated 7 years ago

Verify Email for Caldera Forms

Send an email with a validate link to verify the email address before completing the…


Caldera Labs 900+ active installs Tested with 4.7.3 Updated 3 weeks ago

Mailgun Email Validator

Kick spam with a highly advanced email validation in comment forms, user registration and contact…


Jesin 700+ active installs Tested with 4.7.3 Updated 3 months ago

NIX Anti-Spam Light

Easy-to-use tool to get rid of spam attacking your website AntiSpamLight is developed to help…


NIX Solutions Ltd 700+ active installs Tested with 3.5.2 Updated 2 years ago

BuddyPress reCAPTCHA

This plugin utilizes reCAPTCHA to help your blog stay clear of spam-registrations.


Martin Seysen 600+ active installs Tested with 3.2.1 Updated 6 years ago

IP Ban

Returns 'Page Not Found' 404 error message for IP's visiting your blog specified in the…


Jay Fortner 500+ active installs Tested with 3.0.5 Updated 6 years ago

SpamLord

Upon activation, SpamLord eliminates the potential for automated spam comments, as well as trackback spam.


Steve (SD) Elliott 500+ active installs Tested with 4.6.4 Updated 7 months ago