Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Netumo - Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems