Protect Contact Form 7 and optionally WordPress comments with privacy-friendly anti-spam protection.
Alternatives to HashCash – Proof of Work CAPTCHA
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Classic Honeypot for CF7v1.0.2
A lean honeypot anti-spam field for Contact Form 7. A fork of the classic Honeypot for Contact Form 7 by Nocean, with no extra modules.
Anti-spam CAPTCHA plugin for Contact Form 7. Block bots using Cloudflare Turnstile, Google reCAPTCHA, and built-in Arithmetic CAPTCHA challenges.
hostily Captchav0.2.5
Spam protection for comments, login, registration, WooCommerce and form plugins. Hosted in Germany, no cookies, no image puzzles.
Free CAPTCHA for every form. Invisible anti-spam plus reCAPTCHA, hCaptcha, Turnstile or 5 built-in CAPTCHAs for Contact Form 7, WooCommerce, comments.
SilentShield – the invisible shield against spam. Spam is the weed of the internet. It clogs your forms, steals your time, and corrupts your data.
Image CAPTCHA, honeypot and accessibility spam blocking for Gravity Forms, CF7, WPForms, Formidable, Elementor, WooCommerce, comments, and login.
Anti-spam protection for forms, signups, and comments using advanced honeypot techniques. No CAPTCHAs, no user friction.
AI message checks with Observe and Block modes for Contact Form 7, WPForms, Elementor, and WordPress Comments.
Lightweight anti-spam protection for Contact Form 7 without CAPTCHA. More details: https://gregbialowas.com/anti-spam-cf7