
Description: reCAPTCHA is a free service by Google that protects websites from spam and abuse. It uses advanced risk analysis techniques to tell humans and bots apart. The service provides different versions of CAPTCHAs and captcha alternatives to fit site needs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: hCaptcha is an accessible captcha service that helps website owners deter bots and other forms of abuse while letting valid users interact with ease. It offers an AI-powered captcha alternative to reCAPTCHA that aims to be more user-friendly, customizable, and privacy-focused.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API