
Description: Propellor is an open-source configuration management tool written in Haskell. It uses a declarative domain-specific language to define system configurations, allowing developers to manage and deploy hosts and services with a high-level syntax.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Bcfg2 is an open-source configuration management system that helps administrators maintain an overview of the configuration of many computers. It allows defining desired configuration states and automatically correcting any detected differences or 'drift'.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API