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.
Timewatch - Timewatch offers time tracking, expense management, resource scheduling and professional services automation solutions.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Office Timesheets - Professional Services Automation
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
Krow - Krow Software is a professional service automation solution.