An easy to modify poll system that uses Google Charts to display the results
RUH Captcha helps filtering out all robot attempts to register/comment.
A simple comment captcha protection.
MP Spam Be Gone is the simplest, most effective Spam blocker.
Regular text based and hosted Captcha, better Captcha experience.
Make users Read More related posts and protect WordPress from spam. Displays extracts from blog posts or useful messages.
SiteBrains blocks spam posts using a completely configurable set of rules.
Both interactively as the user types and on our servers upon submission.
TheThe CAPTCHA is a WP plugin that blocks spam from comment boards and registration forms by generating simple tests that only humans can easily pass.
New kind of human test. Adds CAPTCHA anti-spam method to WordPress on the comment form, registration form, or both.
A simple comment spam prevention plugin.
Jax Contact form with captcha is simple plugin for your WordPress blog that enables you to have a contact form
with the reCAPTCHA validation field.
BT Captcha - simple, Bilingual, Flexible, Protect Your WP Blog Against Comment Spams
Adds the ability to easily enter and display contact information.
This plugin utilizes reCAPTCHA to help your blog stay clear of spam-registrations.
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