
Description: HumHub is an open-source social networking software that allows organizations and companies to create private social networks. It has features like user profiles, groups, forums, messaging, and more. HumHub is written in PHP and can be self-hosted on your own server.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API