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.
Tea Minus - The multi-device office drink round app
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.