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

FullContact - Put the power of full contact information into your web or mobile apps.

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.

Pipl - The most comprehensive people search. Pipl is the place to find the person behind the email address, social username or phone number.

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.

Evercontact - Your contacts always up to date and automatically with Evercontact.