Rainforest QA
QA as a Service - Say No to Old-School QA!
Librato
Highly Scalable Metrics, Monitoring, and Alerts
Bugsnag - Detect and diagnose crashes in your applications
Bugsnag's cross platform error monitoring automatically detects crashes in your applications, lettin...
BugHerd
BugHerd is the easiest way to collect client feedback, resolve issues and manage your projects