Ironclad CAPTCHA WP plugin
3D objects-based CAPTCHA to get rid of spam in comments.
Plugin-Schlagwort: captcha
Lana Contact Form
Easy to use contact form with captcha
Affiliates Captcha
Affiliates, Affiliates Pro and Affiliates Enterprise integration with the Captcha plugin.
FreeContactFormDotCom
A simple free contact form with text-based spam prevention.
SVG Captcha
Validate your forms with a self hosted SVG Captcha.
Secure CAPTCHA
Protect your forms from spam with hard to break and easy to read Secure CAPTCHA…
GreCAPTCHA
Protects WordPress website forms from spam and brute-force attacks with Google reCAPTCHA.
VisualWP Cloudflare Turnstile – Easy Anti-Spam alternative to CAPTCHA
Increase security and protect against bots, spammers and hackers with Cloudflare Turnstile, a friendly, free…
GEETEST
Getting tired of those CAPTCHA challenges that even human cannot understand? GeeTest offers user-friendly CAPTCHAs…
Question Antispam for Comment and Signup
antispam question for signup and comment forms of wordpress, set by admin, supports Multisite mode
Really Simple CAPTCHA for Buddypress
This plugin integrates Really Simple Captcha to the Buddypress registration page.
CF7 ReCaptcha Mine
Protect your cf7 forms against spam and brute-force attacks. The plugin is invisible, compliant to…
Text Captcha For Contact Form 7 [GWE]
Adds a text captcha to Contact Form 7
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
Hercules Recaptcha
Hercules Recaptcha adds a Recaptcha to the comment form for non-logged in users. It uses…
WP Simple Captcha
This plugin add a simple math captcha to comment form.no javascript,no css included,just some php…
GF Basic Captcha
A very simple captcha solution for Gravity Forms.
Geo-Captcha & Geo-Blacklist
Geo-Captcha shows a captcha image only to countries you don't trust. Geo-Blacklists allows you to…