
Description: Negative Captcha is a CAPTCHA alternative that asks users to identify photos without specific objects instead of solving a visual puzzle. It aims to improve accessibility and user experience.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: visualCaptcha is a captcha service that uses images instead of text or audio to distinguish humans from bots. It asks users to identify pictures or describe images rather than solving text puzzles.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API