Zatar - IoT Analytics
Fluentd - Fluentd is a cross platform open source data collection solution originally developed at Treasure Data.
Azure Stream Analytics - Azure Stream Analytics offers real-time stream processing in the cloud.
Splunk - Splunk's operational intelligence platform helps unearth intelligent insights from machine data.
AWS IoT Analytics - IoT Management
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.