
Description: DRBD is open-source software that provides disk replication and failover clustering functionality for Linux systems. It allows mirroring of block devices between servers to provide high availability and redundancy.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: XtreemFS is an open-source distributed file system designed for high availability, scalability and performance. It allows storing and accessing files across clusters of commodity servers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API