
Description: App Sketcher is a web-based tool that allows users to easily design mobile app prototypes and wireframes. It has a simple drag-and-drop interface to add UI elements like buttons, menus, and input fields. Key features include export options to PNG, PDF, HTML, and code, as well as collaboration tools to share and get feedback on designs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Balsamiq Wireframes is a rapid low-fidelity UI wireframing tool that allows designers to quickly mockup user interfaces for web and mobile apps. Its simple and intuitive drag-and-drop interface makes it easy to arrange pre-built UI components to map out the structure and layout of an app.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API