SPAM Protection

Say Goodbye to comment spam on your WordPress blog or website.

Spamty is a web service to encrypt an email address and share it on the internet.

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

Don't share your email on public sites.

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

Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture...

PerimeterX Bot Defender prevents automated attacks by detecting and protecting against malicious web and mobile behavior.

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

Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.

AbuseIPDB is an IP address blacklist for webmasters and sysadmins to report IP addresses engaging in abusive behavior on their networks, or check the report history of any IP.

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

the modern spam protection

Open Source

Open source reCAPTCHA alternative