Fluentd - Fluentd is a cross platform open source data collection solution originally developed at Treasure Data.
Abacus - Expenses without the 'expense report'
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.
PiinPoint - Location analytics made simple.
Splunk - Splunk's operational intelligence platform helps unearth intelligent insights from machine data.
ONDiGO - Seamlessly integrate your email & calendar to Salesforce