Free captcha tools or service for developers
A collection of free captcha app, tools or service for developers
ALTCHA
Privacy-focused, fast, highly accurate anti-spam for websites and APIs. Eliminate spam before it reaches you.
Tags: anti-spam, spam-filter, captcha, security
Free Offer:
200 requests a day per domain.
Friendly Captcha
Bot protection for the internet
Tags: captcha, security
Free Offer:
1,000 requests / month
Not for commercial
mCaptcha
mCaptcha is proof-of-work based captcha system that is privacy focused and fully automated.
Tags: captcha
Free Offer:
self host
