
Description: Sentry is an open-source error monitoring system that helps developers monitor and fix crashes in real time. It provides full stacktraces and context on bugs or errors in web apps, mobile apps, games, and APIs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Squid Alerts is an open source alternative to Datadog. It is a monitoring and alerting tool that helps track issues with web applications and infrastructure. Squid Alerts monitors servers, apps, metrics, and logs to provide visibility and alerting.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API