Super CAPTCHA Security Suite – Hardened 3D CAPTCHA
Scientifically proven by research from the University of Wollongong as the most secure text-based 3D…
Plugin Tag: captcha
QCaptcha
QCaptcha ist eine Anti-Spam Lösung für Webmaster, die sehgeschädigte Menschen nicht ausgrenzt und auf Datenschutz…
Ironclad CAPTCHA WP plugin
3D objects-based CAPTCHA to get rid of spam in comments.
Lana Contact Form
Easy to use contact form with captcha
Better Captcha
Stop bad bots from attacking your forms using hCaptcha or simple maths questions
Support Tickets v2
With this plugin, you can manage a simple support ticket system on your WordPress site.
SVG Captcha
Validate your forms with a self hosted SVG Captcha.
Affiliates Captcha
Affiliates, Affiliates Pro and Affiliates Enterprise integration with the Captcha plugin.
GreCAPTCHA
Protects WordPress website forms from spam and brute-force attacks with Google reCAPTCHA.
Secure CAPTCHA
Protect your forms from spam with hard to break and easy to read Secure CAPTCHA…
Simple Captcha for WPForms
Add an additional Captcha field to WPForms to prevent spam.
FreeContactFormDotCom
A simple free contact form with text-based spam prevention.
Really Simple CAPTCHA for Buddypress
This plugin integrates Really Simple Captcha to the Buddypress registration page.
Question Antispam for Comment and Signup
antispam question for signup and comment forms of wordpress, set by admin, supports Multisite mode
I am Human
A customisable human detection plugin, that isn't annoying. Seriously.
BT Captcha
BT Captcha – simple, Bilingual, Flexible, Protect Your WP Blog Against Comment Spams
Slide Captcha
Slide Captcha it is a WordPress plugin that add a slide captcha field to the…
GF Basic Captcha
A very simple captcha solution for Gravity Forms.
WP Simple Captcha
This plugin add a simple math captcha to comment form.no javascript,no css included,just some php…