Advanced noCaptcha and invisible Captcha brings noCaptcha or invisible Captcha in your Contact Form 7 forms.
You can select whether you want a noCaptcha or an invisible Captcha for your form. Moreover, you can add multiple captcha on the same page. You can also change the theme, size and the language of your captcha.
With this plugin, you just need to install the plugin and change the settings as you need. You can then add the captcha in your forms.