
Description: Viewport Sizer is a browser-based tool for testing responsive websites across various device viewports. It allows developers to see how their site looks and functions on different desktop, tablet, and mobile screens.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: LightShot is a lightweight screenshot tool for Windows that allows you to capture, annotate, and share screenshots. It has basic editing features like adding text, arrows, shapes, blurring sensitive info, as well as uploading screenshots to various destinations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API