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Best Web Data Providers Software in 2026

Web data provider software gives you access to web data through platforms such as web apps, APIs, self-hosted tools, browser extensions, Linux and iOS. This list is for people comparing ways to obtain data for a project or workflow.

  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

Compare free plans, paid starting prices, delivery methods, refresh frequency, historical data, custom datasets, geographic coverage and data categories. If you need source code, check the licence; free plans and trials can have different limits or terms.

Questions

Do web data providers offer free plans?

Yes. A free plan is offered by tools in this category. Check the plan terms and limits before relying on it.

Are free trials available?

Yes. A free trial is offered by tools in this category. One listed option includes a 30-day trial.

What platforms do these tools support?

Listed platforms include web, API, self-hosted, extension, Linux and iOS. Support varies by tool.

How can I compare pricing?

Compare free-plan terms, paid starting prices and pricing-on-request options. Listed paid starting points include $49, $299 per month and €0.10.

Can I get historical or custom data?

Compare the historical-data and custom-datasets fields. Availability differs by provider.

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