
Description: Stainless is an open-source browser extension that helps prevent data tracking by blocking third-party cookies and scripts. It aims to give users more privacy and control over their web browsing experience.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Opera is a free web browser developed by Opera Software. It is known for its speed, customization options, and innovative features like a built-in ad blocker, VPN, and crypto wallet. Opera also has resource-saving features like Opera Turbo mode.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API