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.
LockHunter - It is a free tool to delete files blocked by something you do not know.
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.
Wise Force Deleter - Delete Any File That Windows Can’t Delete.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
FileASSASSIN - FileASSASSIN is an application that can delete any type of locked files that are on your computer.