Number Guru - Number Guru is an application for smartphone users for the purpose of reverse phone and caller lookup system.

ZabaSearch - Find people free with Zabasearch directory engine that includes free people search, reverse phone number lookup, address lookup, and more.

Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.

RealPeopleSearch - RealPeopleSearch is a web-based software that allows you to get the basic and public record of the concerned person within a few minutes by providing little information.

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.

FindPeopleFast - FindPeopleFast is an online people search platform that allows you to get the results of the people within a few minutes by providing the first and last name or phone number.