Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Microsoft Operations Management Suite - Microsoft Operations Management Suite enables user to gain visibility and control across the hybrid cloud with simplified operations management and security
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.
ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.