Top 20 products relevant to Security, Captcha, and SPAM Protection

DataDome provides innovative technology and human expertise to block bad bots.

GeeTest protects your websites, mobile Apps and APIs from bot threats.

freemium

Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.

reCAPTCHA is a free security service that protects your websites from spam and abuse.

Enterprise Captcha solutions.

UniqPin is a free for non-commercial use service which destiny improve ability of interfaces detect...

Spam protection for WordPress, Joomla, Drupal, and any other websites .

Free Trial $12.0 / Annually

the modern spam protection.

Open Source

Solve Media's cost per engagement platform offers advertisers branded CAPTCHA and skippable Pre-Roll while providing publishers with enhanced security and a new revenue solution.

Mollom is a freemium web service to get rid of spam, unwanted content and fake users on your...

Open-source implementation of server-side spam filtering of blog comments and forum posts.

The best captcha alternative. Accessible, Mobile-friendly, and Retina-ready! Available for Node.js, PHP, Ruby, Meteor, jQuery, Angular, and vanilla JS.

A plugin to make the process of creating a negative captcha in Rails much less painful.

Record and play back 3D audio.

StopForumSpam - a database of known forum and blog spam, its sources and the email addresses reported.

CAPTCHA that filters out humans and only lets programs pass.

Arkose Labs fraud and abuse prevention platform delivers long-term protection against all forms of abuse by sabotaging attackers' ROI.

IconCaptcha is a self-hosted, fast, simple and user-friendly captcha for PHP.

Protect your applications from bots with Procaptcha. GDPR compliant, privacy friendly, open source, and better value than alternatives. Switch from reCAPTCHA in minutes.

freemium

Simple and powerful WordPress plugin to fight spam.