
Description: Waterfox is an open-source web browser that focuses on power users, customization, and privacy. It is based on Firefox but aims to be faster and include more customization options out of the box. Waterfox does not collect user data or include telemetry and aims to provide an efficient yet private browsing experience.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Vivaldi is a free, open source web browser developed by Vivaldi Technologies. It is known for its high level of customizability and focus on privacy. Vivaldi has a clean, minimal interface and features like tab stacking, built-in note taking, and session snapshots for saving and restoring browser sessions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API