
Description: Tor Browser is a free, open source web browser that allows users to access the internet anonymously by routing connections through the Tor network. It prevents tracking and surveillance of online activity.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mask Surf is a privacy-focused web browser that aims to protect users' data and browsing history from being collected. It blocks ads and trackers by default and offers other privacy features like encrypted proxy connections.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API