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.
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
ThatsThem - ThatsThem is one of the best 100% free personals look locales to tag along since ZabaSearch.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.