Mukul Hossain

Add an text captcha to your contact form 7 form. This plugin will not slow down your site with additional header requests like Google’s ReCAPTCHA and respects your users privacy.
<h4>Directions [PLEASE READ]</h4>
Add the shortcode [cf7tc] to the form editor where you want the captcha to appear.
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Demo
Check out <a href="https://getwebexperts.com/contact-form-7-text-captcha" rel="nofollow ugc">demo</a>

Text Captcha For Contact Form 7 [GWE]

essitco

Captcha Solution is a powerful WordPress Captcha Plug-in that protects your WordPress website from Bots. It allows you to add an extra layer of security on top of you in built protection. This will keep spammers and bots away from submission redundant data in your web forms.
Captcha Solution is an easy yet powerful plug-in that provides easy-to-solve Captcha tests while still being tough on the bots. It protects your wordpress sites from spam entries by means of text images.
<h4>Captcha Solution Features:</h4>
• Installation and integration is easy 
• It is fast, secure and reliable 
• Multiple Captcha on one-page support. 
• Option to refresh Captcha 
• Limit maximum login attempts

CAPTCHA Solution

CAPTCHA Solution is a CAPTCHA module intended to be called from other plugins. It is originally created for my Contact Form 7 plugin.

Text Captcha For Contact Form 7 [GWE] vs CAPTCHA Solution