Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.
Random Number Generator - Randomly generate integers or floating point numbers within a given range and specified discrete or continuous statistical probability distribution.
WhosCall - WhosCall is a reliable caller ID app whose popularity has led to its adoption by many users including international media. You can now manage the numbers calling you regardless of whether they are part of your contact list or not... read more.
Randommer - Generate random number, telephone numbers, text, hashed and social security numbers