411 vs HostedMetrics: What are the differences?
411: An Alert Management Web Application, by Etsy. Configure Searches to periodically run against a variety of data sources. You can define a custom pipeline of Filters to manipulate any generated Alerts and forward them to multiple Targets. Review and manage Alerts through the web interface. You can apply Renderers to alerts to enrich them with additional metadata; HostedMetrics: Hosted and managed open-source monitoring tools. Hosted and fully managed versions of the popular open-source monitoring tools Grafana, Prometheus, and InfluxDB, packaged as turnkey solutions for application, infrastructure, and IoT monitoring.
411 and HostedMetrics can be primarily classified as "Monitoring" tools.
411 is an open source tool with 880 GitHub stars and 98 GitHub forks. Here's a link to 411's open source repository on GitHub.