Formidable Honeypot
Add SPAM protection to your Formidable forms without annoying your visitors with Captchas, math, or…
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reCAPTCHA Jetpack
A simple plugin that adds a Google reCAPTCHA to the Jetpack contact form. Requires the…
Easy Cloudflare Turnstile – Privacy friendly reCAPTCHA alternative for WordPress, Contact Form 7, WPForms, BuddyPress, Elementor
Add Cloudflare Turnstile to WordPress, Contact Form 7, WooCommerce, WPForms, BuddyPress & Elementor. A 100%…
TomS reCAPTCHA
Integrated Google ReCaptcha for WordPress.Protect the login, register, lostpassword and comment forms. Support Woocommerce, Ultimate…
AlphaOmega Captcha & Anti-Spam Filter
Provides Visually Appealing Captchas to Enhance and Secure your WordPress pages. Fortified with ANTI-SPAM FILTER…
Image Captcha For Gravity Forms
Adds a Honeypot and a clean image captcha to Gravity Forms. Images are made using…
WP No-Bot Question
Simple question that blocks most spambots (and paid robots) by making them answer a common…
Blue Captcha
Blue Captcha is a powerful and highly customized WordPress plugin that effectively protects your WP…
Image Captcha
An easy to use wordpress Captcha plugin to prevent spam on your site. You can…
Affiliates Manager Google reCAPTCHA Integration
An addon for the Affiliates Manager plugin to add Google reCAPTCHA to the registration page
Really Simple CAPTCHA for cformsII
Beginning with version 14.9.1 cformsII has pluggable captcha support. This plugin makes use of that…
Eazy CF Captcha
Eazy C(omment)F(orm) Captcha adds a mathematic exercise to the comment form, contact form 7 &…
WP Service Payment Form With Authorize.net
WP Service Payment Form With Authorize.net allows to accept payments from credit/debit cards using Authorize.net…
DX Login Register
Custom login and registration. 自定义登录注册。
BuddyPress reCAPTCHA
This plugin utilizes reCAPTCHA to help your blog stay clear of spam-registrations.
Advanced Invisible Anti-Spam
Block bots without annoying captchas. Cache friendly solution with rotating keys! Blocks comment, registration, and…
Mailster Cool Captcha
Adds a Cool Captcha to your Mailster subscription forms
Contact Form 7 Honeypot Plus
Contact Form 7 Honeypot Plus – Adds honeypot plus anti-spam functionality to Contact Form 7…
CheckBot
This antispam plugin provides very simple(one-click) and powerful captcha for your blog.
BotBlocker
Kills spam-bots, leaves humans standing. No CAPTCHAS, no math questions, no passwords, just spam blocking…