Twitonomy - Twitter analytics and much more.
ZabaSearch - Find people free with Zabasearch directory engine that includes free people search, reverse phone number lookup, address lookup, and more.
StandardFusion - Integrated Risk Management Software to manage all your data governance, risk and compliance needs.
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.
People Data Labs - Use our dataset of 1.5 billion unique person profiles to build products, enrich person profiles, power predictive modeling/AI, analysis, and more. We work with technical teams as their engineering focused people data partner.
ThatsThem - ThatsThem is one of the best 100% free personals look locales to tag along since ZabaSearch.