CheckBot
This antispam plugin provides very simple(one-click) and powerful captcha for your blog.
Étiquette de l’extension : captcha
BotBlocker
Kills spam-bots, leaves humans standing. No CAPTCHAS, no math questions, no passwords, just spam blocking…
Quiz
Reduces spam and troll comments by requiring commenters to answer a question.
Image Captcha
An easy to use wordpress Captcha plugin to prevent spam on your site. You can…
WP No-Bot Question
Simple question that blocks most spambots (and paid robots) by making them answer a common…
Peter’s Custom Anti-Spam
Stop a lot of spambots from polluting your site by making visitors identify a custom…
Really Simple CAPTCHA for cformsII
Beginning with version 14.9.1 cformsII has pluggable captcha support. This plugin makes use of that…
BuddyPress Captcha
This plugin adds Google's reCAPTCHA form to your BuddyPress' registration page to keep your community…
yaCAPTCHA
yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated…
Advanced Invisible Anti-Spam
Block bots without annoying captchas. Cache friendly solution with rotating keys! Blocks comment, registration, and…
reCAPTCHA Jetpack
A simple plugin that adds a Google reCAPTCHA to the Jetpack contact form. Requires the…
HumanCaptcha by Outerbridge
HumanCaptcha is a Captcha that uses questions that require human logic to answer them to…
Affiliates Manager Google reCAPTCHA Integration
An addon for the Affiliates Manager plugin to add Google reCAPTCHA to the registration page
Alobaidi Captcha
Add captcha to forms easily, comment form, login form, register form, rest password form, easy…
Math Quiz
Math Quiz generates dynamic math problem in the comment form to beat spam robots.
Sock'Em SPAMbots
A more seamless approach to deflecting the vast majority of SPAM comments.
Flexible Captcha
This plugin allows you to create image captcha for any form. It has a shortcode…
Image Captcha For Gravity Forms
Adds a Honeypot and a clean image captcha to Gravity Forms. Images are made using…
spam-stopper
The whole idea to this plugin is to keep spammer robots from posting on your…
Hiddy captcha 1.5.1
This plugin provides you an easy captcha without javascript, without images, without math. Only a…