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.

StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.

Unomaly - Continuous and automatic anomaly detection that adapts to your evolving data center. - Just send your log to Unomaly regardless of format or structure.

Histats - Start tracking your visitors in 1 minute!

Logz.io - Logz.io provides log analysis software with alerts, role-based access, unlimited scalability and free ELK apps. Index, search & visualize your log data!

Matomo - Matomo is an open-source web analytics platform