
Description: Sleipnir is a web browser developed by Fenrir Inc. It is known for its customization features, tab management tools, and unique rendering engine. Sleipnir aims to provide a fast and flexible browsing experience on Windows platforms.
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