
Description: Narbacular Drop was an indie freeware physics-based puzzle video game created by students at DigiPen Institute of Technology. It was the predecessor to the popular game Portal developed by Valve Corporation.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Prometheus is an open-source systems monitoring and alerting toolkit. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if certain conditions are met. It has a multi-dimensional data model and powerful query language to generate ad-hoc graphs, tables, and alerts from collected metrics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API