
Description: Mockerie is an open-source mock server that allows you to mock APIs, generate fake data, and simulate microservices for development and testing purposes. It provides a graphical interface to easily configure mocks and relations between endpoints without coding.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Smartmockups is a web-based tool that allows you to easily create realistic mockup designs and prototypes. It has a large library of device frames, scenes, and graphics that you can use to showcase your designs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API