Grafana - Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases
Timber.io - Timber.io is the best logging platform for ruby, node, elixir and much more.
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.
SignaleJS - Highly configurable logging utility for NodeJS 👋
Prometheus - An open-source systems monitoring and alerting toolkit.
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.