SHIMANTA DAS

Raptora adds powerful features to Contact Form 7 including:
<ul>
<li>Page Redirect – Redirect users to any page after successful form submission</li>
<li>Text Captcha – Prevent spam with customizable text-based CAPTCHA protection</li>
</ul>
No PHP sessions are used – fully compatible with caching plugins and managed WordPress hosting.

Raptora

Smart addons like page redirect and text captcha for Contact Form 7.

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>

Raptora vs Text Captcha For Contact Form 7 [GWE]