wpdebuglog

This is a highly powerful contact form 7 anti-spam add-on. It is introducing a new hidden field and check that one value is correct or not.
<h4>Features of Contact Form 7 Honeypot Plus</h4>
<ul>
<li>No configuration is needed</li>
<li>Better anti-spam functionality</li>
<li>No need any ugly captcha.</li>
</ul>

Honeypot Plus for Contact Form 7

Nice plugin

Honeypot Plus for Contact Form 7 - Adds honeypot plus anti-spam functionality to Contact Form 7 forms.

Greyhound Studio

Antispam for Elementor Forms adds two methods of preventing spam submissions to Elementor Pro forms – checking the form contents against the WordPress comment blocklist, which is automatically synced daily, and a JavaScript-based honeypot field, with an optional minimum time to fill out the form.
Privacy disclaimer
This plugin uses the WordPress comment blocklist from GitHub (https://github.com/splorp/wordpress-comment-blacklist, via the raw.githubusercontent.com domain). It is synced daily. Your server’s IP address will be shared with GitHub when this happens. Their terms of use can be found here: https://docs.github.com/en/site-policy/github-terms/github-terms-of-service and their privacy statement can be found here: https://docs.github.com/en/site-policy/privacy-policies/github-general-privacy-statement No data about your users is shared.

Antispam for Elementor Forms

Practical spam prevention for Elementor Forms, without relying on third-party services.

Honeypot Plus for Contact Form 7 vs Antispam for Elementor Forms