Negative Captcha Alternatives

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.

Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

Try for free freemium $0.1 (per credit)

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.

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

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

freemium

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

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

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

Easy to use - Nothing stupid your visitors have to type before the form submits.

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

Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

Try for free freemium $0.1 (per credit)

Open source reCAPTCHA alternative