7 Best WordPress Captcha plugins

WP-reCAPTCHA

reCAPTCHA is an anti-spam technology from Google.One of the best anti spam plugin for wordpress. It uses a captcha to prevent comment, registration, and email spam.

SI CAPTCHA Anti-Spam

SI CAPTCHA Anti-Spam wordpress plugin adds anti-spam methods to WordPress on the forms for comments, registration, lost password, login.
SweetCaptcha

SweetCaptcha is a free Captcha plugin for wordpress. It protects Registration form,Comment form,Login form,Lost password form and Contact Form 7.

Secure CAPTCHA

Secure CAPTCHA allows to distinguish between form submition made by human and script (robot, bot, program etc.). It gives you ability to reject all form submitions made in automatic way.

KeyCAPTCHA

KeyCPTCHA is a free wordpress plugin providing effective protection by means of highly attractive and interactive CAPTCHA. it can entertain your visitors with a nice and pleasant CAPTCHA game.

Text Captcha

Text Captcha uses riddles and math to prevent spam.This plugin comes with 10 predefined questions and the ability to add more.

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Captcha

Captcha wordpress plugin allows you to protect your website from spam using math logic which can be used for login, registration, reseting password, comments form.

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3 Responses

  1. claradev7 says:

    Through this plugin http://buffercode.com/simple-captcha-for-wordpress/ users can select wide variety of methods to display the captcha

    1. Sorting in increasing or decreasing order
    2. Entering biggest or smallest number
    3. Selecting Am or Am Not Spammer using combo box
    4. Entering the alphabets
    5. Addition or Subtraction

  2. Giannis Fanis says:

    I think that i just found another great and innovating captcha plugin : Blue Captcha
    http://wordpress.org/extend/plugins/blue-captcha/

  3. KeyCAPTCHA says:

    KeyCAPTCHA does not collect visitors’ private information.

    Looks like that these groundless accusations are planned competitors’ action against KeyCAPTCHA which IP-address blacklisted and banned our accounts by SpamHaus, Google, Joomla, Twitter and other online services.
    We never use spambots for marketing our antispam services.

    That is why we are changing the TOS of our paid service “Personolized CAPTCHA” without rush. We are going to launch our “Personolized CAPTCHA” in June

    If you find groundless accusations like these please contact us via KeyCAPTCHA website

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