AT-UI - UI library for developing powerful web interfaces
Platypus - Realtime server monitoring and reporting
Sketch Repo - Collection of resources for anyone who uses Sketch
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.
Git Sketch Plugin - Version control for designers
Nagios - Complete monitoring and alerting for servers, switches, applications, and services