Skuuudle - Discover, match and monitor your eCommerce competitors.
Fluentd - Fluentd is a cross platform open source data collection solution originally developed at Treasure Data.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
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.
BuiltWith - Find out the technology behind websites
Splunk - Splunk's operational intelligence platform helps unearth intelligent insights from machine data.