Data: APIs, Hubs, Marketplaces, and Platforms

See also Government, Federal, State, City, Local and public data sites and portals

Data APIs, Hubs, Marketplaces, Platforms, and Search Engines

  • AggData, aggregate data in 15+ categories, with a focus on location data, like Starbucks locations.
  • Apertio, lets you search for millions of Open Data datasets.
  • AWS (Amazon Web Services) Public Data Sets, provides a centralized repository of public data sets that can be seamlessly integrated into AWS cloud-based applications.
  • AWS Data Exchange, with over 3,000 third-party data products (many free to use) from more than 200 data providers.
  • Azure Data Marketplace (Microsoft)
  • BigML Azure Data Marketplace widget
  • CKAN, the world leading open-source data portal platform, aimed at data publishers (national and regional governments, companies and organizations) wanting to make their data open and available.
  •, part of, source of D&B info and millions of contacts.
  •, open government data from US, EU, Canada, CKAN, and more.
  • DataFerrett, a data mining tool that accesses and manipulates TheDataWeb, a collection of many on-line US Goverment datasets.
  • Datafiniti, comprehensive & accurate product, business, and property data.
  •, free data management platform from the Open Knowledge Foundation: publish, search, and get updates about data.
  • DataMarket, visualize the world's economy, societies, nature, and industries, with 100 million time series from UN, World Bank, Eurostat and other important data providers.
  • DataProvider, crawls the web to create a database of information about companies.
  • DatastreamX, a global marketplace for commercial data, bringing together buyers and vendors of data onto one simple-to-use platform.
  • dataX, a collection of datasets curated and crowdsourced by CrowdAnalytix community of data scientists
  • Enigma Public, the world's broadest collection of public data.
  • Exversion, search 100K+ datasets, consume them through one simple API or upload your own data to collaborate, publish, or share.
  • Factual location platform enriches mobile location signals with definitive global data, enabling personalized and contextually relevant mobile experiences.
  • Figshare, a platform for researchers: figures, datasets, media, papers, and presentations can be published in a citable, searchable, and shareable way.
  • Freebase, a community-curated database of well-known people, places, and things.
  • GDELT: The Global Data on Events, Location and Tone, described by Guardian as "a big data history of life, the universe and everything."
  •, Public data sources maintained by your community.
  • Google Public Data, with dynamic visualization and exploration tools.
  • Handshake, an app and a website that allows you to negotiate a price for your personal data directly with the companies that want to buy it.
  • InfoChimps, Data Marketplace and Big Data Platform
  • Knoema, provides statistical profiles, commodity prices, and other data for countries around the world.
  •, a platform to explore, discover, and share public ocean data.
  • Mode Analytics, a collaborative, easy-to-use platform for working with data, SQL code, visualizations, and results.
  • National Government Statistical Web Sites, data, reports, statistical yearbooks, press releases, and more from about 70 web sites, including countries from Africa, Europe, Asia, and Latin America.
  • Open Data Census, assesses the state of open data around the world.
  • OpenData from Socrata, access to over 10,000 datasets including business, education, government, and fun.
  • OpenDataSoft, a cloud-based platform for seamless and unlimited data re-use.
  • OSDC: Open Science Data Cloud Repository, for very large public data sets of scientific interest.
  • Plotly, data and visualization platform, with tens thousands of datasets in science, academia, public policy, and business.
  • Ready Signal time series data, with hundreds of curated control data sets including economic, weather, demographic & health. Easily output data at desired time period and geographic granularity, and apply/test 15+ Data Science Treatments.
  • Tableau Public, free software for visualizing and sharing data
  • Quandl, a collaboratively curated portal to millions of financial and economic time-series datasets.
  • qunb, a platform to find and visualize quantitative data.
  • Visa Data, the power of the Visa Network delivered as an API.
  • Zanran, search the web for data and statistics.

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