防止垃圾评论插件,点击正确的图形提交评论,仿"Clickcha"(Click on the Right picture to submit comments,to prevent spam comme
simpleContact ist ein einfaches Kontaktformular ohne viele Spielereien mit einem effektiven Spamschutz. Bleiben Sie auf einfache Weise mit ihren Kund
Text Captcha uses riddles and math to make sure your posters are real instead of computers.
Another contact form with very scalable multi-type Fields. Uses Captcha, no Akismet. Can use external SMTP via wp_mail() or other Plugins. AJAX Suppor
Protect your forms from spam with hard to break and easy to read Secure CAPTCHA images from SecureCAPTCHA.net.
snSimple Email creates a simple email/contact form for your blog.
This plugin will help you to prevent auto comment spam submittions by clawlers and bots. Requires PHP5 and GD extention installed.
Asks the visitor making the comment to key in the disappeared chinese word. This is intended to prove that the visitor is a human being but a spam rob
We're sorry, but BotAlert/BotBlock is no longer available.
Asks the visitor making the comment to answer a simple math question. This is intended to prove that the visitor is a human being and not a spam robot
AntiBot Captcha - simple good-looking, but well-protected plugin against spam robots for your blog comments
yaCAPTCHA is a CAPTCHA plugin for WordPress that helps you block comment spam from automated bots.
The whole idea to this plugin is to keep spammer robots from posting on your blog, reducing the space taken by spam messages in the database, and prev
Last modify: 04.06.2010 DD.MM.YYYY Trumpcha is a very unique jQuery ajaxed CAPTCHA plugin that requires just one click/(mouse mmovement) instead of t
Adds CAPTCHA anti-spam methods to WordPress on the comment form, registration form. WPMU and BuddyPress compatible.
Simple, but strong captcha, built to prevent spam in WordPress comments. One-click solution tested on many blogs!
This plugin creates a resistor color code captcha on comment forms
AdCaptcher.com enables you to build custom captchas. You need an AdCaptcher account to administrate your custom captchas.
A widget for the WP-invites plugin
Provides functions to easily display and validate a reCAPTCHA
WP Simple Contact Form is a basic contact form with css styling, form validation, error feedback and captcha spam check.
Anonymous Posting plugin allows anonymous user to write their own posts using special page, no access to WP panel is needed.
With this plugin, you can manage a simple support ticket system on your WordPress.
Based on Takayuki Miyoshi’s Contact Form 7 version 2.0.1. Has better support for checkboxes (clickable labels, actually separate onto different line
The plugin provides the next generation in captcha, BotProof Captcha 2.0, to a WordPress blog comment form. It is currently version 0.9.6.8 Beta.
Integrates a logic captcha to verify that the registrant is a human and not a spam bot instead of using distorted images or audio.
ImHuman provides more humane, fun, easy, secure and mostly user friendly captcha (are you really a human?) detection for posting comments.
Create customizable contact forms and sticky contact button for your WordPress blog. Web 2.0 style.
figlet math challenge, captcha replacement, based on TryMath php class and phpFiglet