
Description: Screwdriver is a lightweight open source continuous delivery and release automation platform. It helps developers easily build, test, and deploy their code and facilitates faster and simpler delivery of apps and services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Azure DevOps is a Microsoft cloud service that provides version control, reporting, requirements management, project management, automated builds, testing and release management capabilities. It covers the entire application lifecycle and enables seamless collaboration between development, QA and operations teams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API