Best Similarweb Digital Data Alternatives in 2026
14 web data providers software our editors would look at instead of Similarweb Digital Data, in our ranking order.
Similarweb Digital Data: A broad digital-market data service for teams building analysis beyond a dashboard. Where it falls short: pricing requires contacting similarweb..
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Best forTechnographic prospecting and technology intelligence
A technographic research and prospecting tool with lookups, lead lists, intent signals and APIs.
5.0/10★★☆☆☆Visit BuiltWith -
Best forTeams verifying companies and ownership across jurisdictions
A global company-data service with registry provenance, filters and API access.
3.8/10★★☆☆☆Visit OpenCorporates -
Best forTeams targeting leads by website technology
Wappalyzer pairs website technology detection with prospecting and CRM enrichment.
5.0/10★★☆☆☆Visit Wappalyzer -
Best forBroad company, people and web-data APIs
Broad web-data APIs with flexible delivery formats and scalable monthly plans.
5.0/10★★☆☆☆Visit Coresignal -
Censys Attack Surface Management not yet scored
Best forEnterprise external attack-surface data
Continuous asset discovery, exposure analysis, and remediation workflows for security teams.
—not yet scoredVisit Censys -
Best forSanctions, PEP and risk-entity screening data
Open-source screening data with flexible API, batch matching and self-hosting options.
6.0/10★★★☆☆Visit OpenSanctions -
Best forAI web extraction and entity enrichment
Feature-rich web extraction and enrichment with a free tier and $299 monthly paid access.
5.0/10★★☆☆☆Visit Diffbot -
Best forSource-code technology and web-signature research
A focused source-code search engine with ranked results, exports, and API access.
4.8/10★★☆☆☆Visit PublicWWW -
Best forHistorical news, forum and threat-intelligence feeds
A broad API and feed catalog for teams seeking current or historical web data.
- Historical data
- Custom datasets
7.6/10★★★★☆Visit Webz.io -
Best forTeams tracking news, events, sentiment, and trends
A real-time news intelligence platform with monitoring, analysis, reports, and API access.
4.0/10★★☆☆☆Visit Event Registry -
Thinknum Alternative Data not yet scored
Best forInvestors and analysts tracking historical web signals
Historical web-data time series with dashboards and API access for business research.
- Historical data
—not yet scoredVisit Thinknum -
Dataprovider.com not yet scored
Best forCustom web datasets for business research
A global web data service for organizations needing datasets, API delivery, or custom projects.
- Custom datasets
—not yet scoredTry Dataprovider.com -
Best forTeams monitoring internet-exposed assets continuously
Continuous exposure monitoring for teams tracking public-facing infrastructure.
4.0/10★★☆☆☆Visit Shodan -
Internet Archive Save Page Now not yet scored
Best forFree one-page web archiving
A free way to preserve individual web pages with permanent, shareable links.
—not yet scoredVisit Save Page Now
Similarweb Digital Data Alternatives: Common Questions
What is the best alternative to Similarweb Digital Data?
BuiltWith: #1 in our Web Data Providers Software ranking, with an editor score of 5.0 out of 10. A technographic research and prospecting tool with lookups, lead lists, intent signals and APIs.
Is there a free alternative to Similarweb Digital Data?
Yes. BuiltWith, Wappalyzer, OpenSanctions, Diffbot and PublicWWW have a free plan or a free tier (8 of the 14 alternatives on this page).
What is the cheapest paid alternative to Similarweb Digital Data?
Of the alternatives here that publish a price, Coresignal starts lowest, at $49/mo.
Similarweb Digital Data vs Each Alternative
| # | Tool | Free plan | Paid from | Data delivery | Refresh frequency | Historical data | Custom datasets | Geographic coverage | Score |
|---|---|---|---|---|---|---|---|---|---|
| not scored | Similarweb Digital Data | — | — | Both | Varies | Yes | Yes | Global | — |
| 1 | BuiltWith | Yes | — | — | — | — | — | — | 5.0 |
| 3 | OpenCorporates | — | — | — | — | — | — | — | 3.8 |
| 4 | Wappalyzer | Yes | $250/mo | — | — | — | — | — | 5.0 |
| 5 | Coresignal | No | $49/mo | — | — | — | — | — | 5.0 |
| not scored | Censys Attack Surface Management | — | — | — | — | — | — | — | — |
| 7 | OpenSanctions | Yes | — | — | — | — | — | — | 6.0 |
| 8 | Diffbot | Yes | $299/mo | — | — | — | — | — | 5.0 |
| 9 | PublicWWW | Yes | — | — | — | — | — | — | 4.8 |
| 10 | Webz.io | Yes | — | Both | Varies | Yes | Yes | Global | 7.6 |
| 11 | Event Registry | Yes | — | — | — | — | — | — | 4.0 |
| not scored | Thinknum Alternative Data | — | — | Both | Varies | Yes | — | Global | — |
| not scored | Dataprovider.com | — | — | Both | Varies | — | Yes | Global | — |
| 14 | Shodan Monitor | No | — | — | — | — | — | — | 4.0 |
| not scored | Internet Archive Save Page Now | Yes | None | — | — | — | — | — | — |
Head-to-Head
- Similarweb Digital Data vs BuiltWith
- Similarweb Digital Data vs OpenCorporates
- Similarweb Digital Data vs Wappalyzer
- Similarweb Digital Data vs Coresignal
- Similarweb Digital Data vs Censys Attack Surface Management
- Similarweb Digital Data vs OpenSanctions
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026