
Description: OpenNMS Horizon is an open source network monitoring system that provides integrated fault, performance, accounting and configuration management for networks and applications. It's designed for scalability and flexibility.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Xymon is an open-source monitoring and alerting platform used to monitor the health and performance of servers, networks, applications, and services. It provides centralized visibility into IT infrastructure and quickly detects failures and anomalies.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API