
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MTcaptcha is an open source CAPTCHA service that aims to provide an accessible and usable CAPTCHA alternative to traditional distorted text CAPTCHAs. It uses interactive tasks like identifying images or audio clips instead of text.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API