People Data API - PIPL's People Data API provides one API to retrieve structured social, contact, demographic & professional information about a person.
WorldData.ai - Analyze and download over 3.3 Billion curated external trends.
DeviceAtlas - DeviceAtlas offers device detection for mobile and connected devices.
data.world - The social network for data people
DigitalDataManager - DigitalDataManager enables users to collect customer data and behavioral events with an API.
FileApp by Pipl - Pull users' missing data straight to your spreadsheet