Prometheus - An open-source systems monitoring and alerting toolkit.
ARGONAUT - Definition, Synonyms, Translations of Argonaut by The Free Dictionary
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Bunnyshell - Everything already automated, from code to production: create servers, provision & configure, deploy.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
R2Devops Hub - Create powerful CI/CD pipelines, easily