Zabbix - Track, record, alert and visualize performance and availability of IT resources
Cairo-Dock - Cairo-Dock / GLX-Dock 3. 4 is now available. Cairo-Dock 3. 4 is finally released! One year after the 3.
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.
Synapse - Synapse is a semantic launcher written in Vala that you can use to start applications as well as find and access relevant documents and files by making use of the Zeitgeist engine.
Prometheus - An open-source systems monitoring and alerting toolkit.
Gnome-Pie - Gnome-Pie is a circular application launcher for Linux.