
Description: Linchpin is an open source infrastructure as code framework that enables developers and operations teams to easily provision cloud infrastructure. It has declarative infrastructure configuration and can integrate with various cloud providers like AWS, Azure, GCP, and OpenStack.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: 4Projects is a project management software designed for teams to plan, track, and collaborate on projects. It features interactive Gantt charts, resource management tools, issue tracking, reporting, and integrations with other applications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API