
Description: FleetDB is an open-source time series database optimized for fast reads and writes of numeric data. It is useful for capturing metrics, sensor data, and events. FleetDB is lightweight, scalable, and easy to deploy in Docker and Kubernetes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: RethinkDB is an open-source, distributed JSON document database that focuses on easy scalability and high availability. It has an intuitive query language and simple administration tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API