
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: IconCaptcha is a captcha alternative that uses icon recognition instead of text or images to determine if the user is human. It presents users with a grid of icons and asks them to identify a specific icon, providing better accessibility and usability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API