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Best Web Data Providers Software in 2026

  1. 1

    OpenSanctions

    Free plan Open source APILinuxMac+3

    OpenSanctions offers data and matching capabilities for organizations building or integrating screening workflows.

    8.9 Free plan · paid from €0.10 · 30-day trial Visit site
  2. 2

    BuiltWith

    by BuiltWith
    Free plan APIExtensionWeb

    BuiltWith combines website technology profiles with ecommerce research, lead generation, exports, and developer access.

    7.6 Free plan · paid from $144/yr Visit site
  3. 3

    Diffbot

    Free plan APISelf-hostedWeb

    Diffbot offers several ways to convert public web content into structured data, plus a self-hostable search option.

    7.4 Free plan · paid from $299/mo Visit site
  4. 4

    Coresignal

    by Coresignal
    Free plan APIWeb

    Coresignal combines broad public business-data coverage with APIs and downloadable dataset formats. Check the credit, request-rate, and support limits for the plan that fits your use case.

    7.3 From $49/mo · 7-day trial Visit site
  5. 5

    Event Registry

    Free plan APIWeb

    Event Registry combines broad multilingual coverage with monitoring, analytics, AI enrichment, scheduled reports, and API access.

    7.2 Free plan · pricing on request Visit site
  6. 6

    OpenCorporates

    by OpenCorporates
    Free plan APIWeb

    OpenCorporates combines a broad company dataset with API, bulk delivery and OpenRefine reconciliation options.

    7.0 From £2,250/yr Visit site
  7. 7

    Wappalyzer

    Free plan AndroidAPIExtension+3

    Wappalyzer combines website technology detection with prospecting data, APIs, and integrations.

    7.0 Free plan · paid from $250/user/mo Visit site
  8. 8

    PublicWWW

    Free plan APIWeb

    PublicWWW offers flexible searches across web page code and text, with both web and API access. Free access has row and result-coverage limits; paid plans expand search size.

    6.9 Free plan · paid from $49 Visit site
  9. 9

    Internet Archive Save Page Now

    Free plan AndroidiPhoneWeb
    6.1 Free plan Visit site
  10. 10

    Shodan Monitor

    Paid APILinuxWeb

    Shodan Monitor combines continuous network observation with multiple alert routes and scan options.

    5.4 From $49 Visit site
  11. 11

    Webz.io

    Free plan
    5.4 Free plan Visit site
  12. 12

    Dataprovider.com

    Paid Web
    4.4 Pricing on request Visit site
  13. 13

    Similarweb Digital Data

    Paid Web
    3.9 Pricing on request Visit site
  14. 14

    Thinknum Alternative Data

    Paid Web
    3.9 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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