ProppyJS - Functional props composition for UI components (React & Vue)
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Appbase.io - Search stack for building modern apps
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.
Deja vu - A mind-blowing interactive piece to promote an album. Wow.
Prometheus - An open-source systems monitoring and alerting toolkit.