
Description: Mockingbird is a user-friendly web-based tool for creating mockups, wireframes, and prototypes. It allows designers and developers to quickly sketch out web and mobile application interfaces with simple drag-and-drop editing. Key features include reusable components, collaboration tools, linked mockups, and exporting visual assets.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API