
Description: Shiira is an open-source web browser for macOS that aims to be lightweight and fast. It is based on the Gecko layout engine used in Firefox and focuses on speed, simplicity, and compatibility.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Falkon is a free, open source web browser built on QtWebEngine. It is lightweight, customizable, and privacy-focused, blocking ads and trackers by default. Falkon offers good performance and web standards support.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API