
Description: GraphWalker is an open source test automation tool for model-based testing. It allows you to automatically generate and execute test cases based on a model of the system under test.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Silktest is an automated functional and regression testing tool for web, mobile, and desktop applications. It supports multiple languages and frameworks and allows for cross-browser testing. Silktest is known for its object recognition capabilities and debugging features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API