
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: PicPick is a free screen capture tool for Windows that allows you to take screenshots, annotate images, edit photos and more. It has basic image editing features like crop, resize, add text etc. Useful for creating tutorials, documentation, reports.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API