
Description: SigNoz is an open-source alternative to DataDog, New Relic, and other APM tools. It is a cloud-native observability platform that provides metrics, traces, and logs to monitor software applications and infrastructure.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stackdriver is a monitoring, logging, and diagnostics platform by Google Cloud. It provides performance monitoring, uptime checking, dashboards, alerting, log management, and troubleshooting for cloud services and applications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API