Datanyze is a Google Chrome extension for finding B2B contact details and company information while prospecting on sites such as LinkedIn.
Alternatives to TechStackIntel
PredictLeads provides structured company intelligence for AI agents through MCP, APIs, webhooks, and flat files.
Wappalyzer turns public signals from websites into technographic data for prospecting, record enrichment, and monitoring market changes.
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BuyerCaddy
BuyerCaddy provides technographic intelligence about the technologies companies use, linked with company and people data to help identify accounts and decision-makers.
Free planWebAPIExtension7.3From $1,000 a month - 5

BuiltWith
BuiltWith profiles websites to show the technologies and online activity associated with them.
Free planWebAPIExtension7.2From $12 a month - 6

B2BEnrich
B2BEnrich provides real-time B2B data enrichment through a REST API for developers and product teams.
Free planWebAPI6.8From $49 a month - 7

NerdyData
NerdyData searches millions of live domains for technologies, scripts, and HTML used on their pages.
Free planWebAPIExtension6.8From $200 a month - 8
TheirStack
TheirStack helps sales and marketing professionals identify companies that may need what they sell, using job postings as signals of business needs.
Free planWebAPI6.8From $49 a month - 9

TechnologyChecker
TechnologyChecker is a technology intelligence platform for B2B sales, go-to-market, and market analysis teams.
Free planWebAPIExtension6.7From $89 a month - 10

Grizz Technographics
Grizz Technographics identifies software used by construction companies, helping sales and marketing teams find accounts based on their technology.
Free planWebAPI6.6Free plan - 11
SiteIntelica
SiteIntelica searches scanned websites by their technology stack to help build prospect lists, and analyzes individual sites for technology, security, and SEO.
Free planWebAPI6.6From €19 a month - 12
PublicWWW
PublicWWW searches web page HTML, JavaScript, CSS, and plain text for snippets, signatures, or keywords.
Free planWebAPI6.5From $199 a month - 13
StackWho
StackWho is a web service for finding companies by their technology stacks and locating decision makers with verified contact details.
Free planWeb6.5From $79 a month - 14
Bloomberry
Bloomberry provides company-level technographic data about adoption and churn for more than 1,700 B2B products.
WebAPI6.3From $199 a month - 15
OceanFrogs
OceanFrogs is a sales and market intelligence platform for technology platforms.
WebAPIExtension6.3From $249 a month - 16
StackScope
StackScope indexes new product launches and newly discovered websites, then annotates them with detected technology information.
WebAPI6.2From £15 a month - 17
AI Discovery Labs
APISelf-hosted6.1From $299 a month - 18
Pursued.io
Pursued.io is a web platform that helps teams find companies by the technologies they use and the issues reflected in their hiring.
Free planWeb6.1Free plan - 19
HG Insights
WebAPI6.0 - 20

Similarweb Technology Research
Similarweb Technology Research lets users look up a technology’s usage statistics and market profile, including company contact details.
Free planWebAPI6.0Free plan - 21
StackDetect
StackDetect finds and catalogs technologies used on websites, then lets users search, filter, and export prospect lists based on those technologies.
Free planWebAPIExtension6.0Free plan - 22
Toolsberry
Toolsberry is a web-based technographic data provider for finding companies by the technologies and applications they use.
Free planWeb6.0Free plan - 23
Website Categorization API
Website Categorization API classifies websites in real time through API and web access, and provides a downloadable database of up to 120 million domains.
WebAPI5.9From $99 a month - 24
WhatRuns
WhatRuns is a browser extension that identifies technologies used on websites, with a web platform also available.
Free planWebExtension5.9Free plan - 25
StackScan
WebAPI5.8From $39 a month - 265.7From $999 a month
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TechList.ai
TechList.ai analyzes websites to identify their technology stacks and uncover sales opportunities.
WebAPIExtension5.7From £99.99 a month - 28
5.6 - 29
5.5

