
Description: Espresso Framework is an open source end-to-end testing framework for native and hybrid Android and iOS applications. It allows developers to write automated UI tests that simulate user interactions with elements on the screen.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: KnockoutJS is a JavaScript library that makes it easier to create responsive user interfaces with a clear separation between view models and UI. It uses an MVVM architecture and data binding to update the UI automatically when data changes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API