Nagios - Complete monitoring and alerting for servers, switches, applications, and services
Boomi - The #1 Integration Cloud - Build Integrations anytime, anywhere with no coding required using Dell Boomi's industry leading iPaaS platform.
Gitwin - Enable your Windows system as a powerful and secure Git repository. Supports ssh, http(s) transports. Gitweb with highlighter and gravatar support available.
Postman - The Collaboration Platform for API Development
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.