
Description: MultiBrowser is a free web browser that allows you to open multiple browsing windows in one application. It supports tabbed browsing, incognito mode, bookmark syncing, and extensions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: IETester is a free utility that allows you to test websites in different versions of Internet Explorer on the same computer. It simulates IE 5.5 to IE 11 without needing multiple virtual machines.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API