Prometheus - An open-source systems monitoring and alerting toolkit.
Boomi - The #1 Integration Cloud - Build Integrations anytime, anywhere with no coding required using Dell Boomi's industry leading iPaaS platform.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
Postman - The Collaboration Platform for API Development
StatsD - Simple daemon for easy stats aggregation.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.