
Description: ZeroBounce is an email validation and verification service that helps identify invalid email addresses and prevent email bounces. It can check email address syntax, confirm the mailbox exists, and validate role-based emails.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: TheChecker is an automated accessibility and quality assurance testing tool for websites and web applications. It scans entire sites to identify issues related to WCAG, Section 508, and other accessibility standards.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API