Apps similar to Friendly Captcha include Cap Captcha, which is free and open source. Other options are Anubis, reCAPTCHA, Private Captcha and ALTCHA. You're spoiled for choice with Anti-Spam Tools like Friendly Captcha: we list more than 25 alternatives for the web and self-hosting.
Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture CAPTCHA that stops spam and bots. Download our free CAPTCHA security software today.
United States
Privacy-first, self-hosted CAPTCHA for the modern web. No Google. No telemetry. No visual puzzles. Protect your software from bots without handing over your users' data to a third party.
Mexico
GeeTest protects your websites, mobile apps and APIs from bad bot attacks with zero user friction. Its self-learning defense model based on Graph Convolutional Networks and massive volumes of biometric data collected in the past 7 years allows GeeTest to identify and mitigate...
China
