Uncovering the Best BuiltWith Alternatives for Web Technology Insights
BuiltWith is a powerful tool for discerning the underlying technologies of websites and web applications, presenting a concise, categorized overview of the tools, widgets, and languages in use. However, for various reasons – whether it's pricing, specific feature sets, or platform compatibility – many users seek viable BuiltWith alternatives. This article explores some of the top competitors that offer similar, and sometimes even enhanced, capabilities for web technology analysis.
Top BuiltWith Alternatives
Whether you're a web developer, a marketer, or simply curious about how websites are built, these alternatives provide valuable insights into the technological stack of any given site. From browser extensions to comprehensive web platforms, there's an option for every need.

Wappalyzer
Wappalyzer is an excellent, widely-used BuiltWith alternative, primarily known as a browser extension that quickly uncovers technologies on websites. It detects everything from content management systems and web shops to web servers and JavaScript frameworks. It's a free and open-source solution available across Mac, Windows, Linux, Chrome, and Firefox, offering convenient browser extension functionality, system info, web development insights, and website monitoring features.

WhatRuns
WhatRuns provides browser extensions that deliver detailed information on the technologies used by websites you visit. Using its proprietary recognition algorithm, it serves as a strong BuiltWith alternative for quick, on-the-fly analysis. It's a free web-based tool with extensions for both Chrome and Firefox, making it incredibly accessible for everyday use.

Similar Tech
Similar Tech offers powerful marketing, sales, and market-research tools by crawling the web and analyzing the technologies behind any site. As a commercial web platform, it provides a more comprehensive suite of tools compared to simple extensions, making it a robust BuiltWith alternative for businesses needing deeper insights.

PublicWWW
PublicWWW is a unique BuiltWith alternative functioning as a search engine for source code, making it an ultimate solution for digital and affiliate marketing research. Available on a freemium web model, its core feature is its powerful search engine capability, allowing users to find websites based on specific code snippets.

What CMS
What CMS is a straightforward, free web-based tool that determines the Content Management System a website is using by analyzing various webpage factors. It's a simple yet effective BuiltWith alternative for CMS detection, offering a free API access key and requiring no registration.

NerdyData
NerdyData positions itself as a source code search engine, akin to performing a CTRL+F across millions of websites' source code. This freemium web platform serves as a powerful BuiltWith alternative for developers and researchers, with strong developer tools and search engine features.

CubDomain
CubDomain.com is a free, web-based, and self-hosted site offering comprehensive website statistics, WHOIS records, hosting location, and IP information. It includes an SEO Audit feature, making it a useful, albeit broader, BuiltWith alternative for domain and website analysis.

Shraga
Shraga is a free, cross-platform, cross-browser, multi-purpose tool for web developers, designers, and webmasters. This web-based BuiltWith alternative focuses on SEO and general web development utilities, making it a handy addition to any web professional's toolkit.

Allora.io Leads
Allora.io Leads helps users search for competitor's tech, download prospect customer lists, and convert them into customers, specifically built for startups. As a freemium web platform, it offers a more business-centric approach as a BuiltWith alternative for lead generation.

TheWebMiner
TheWebMiner provides a smart way to research the internet for leads or market research, allowing users to find websites based on various filters. This freemium web tool offers a different angle as a BuiltWith alternative, focusing more on filtered web research.

Webspotter
Webspotter is a website and technology database providing a powerful blend of lead searching and competitive research. Available on a freemium model across multiple platforms including Mac, Windows, Linux, Web, Android, iPhone, and iPad, it's a comprehensive BuiltWith alternative for lead generation and competitive analysis.

SiteFinger
SiteFinger quickly identifies website software by analyzing server headers, DNS records, and page content against its proprietary fingerprint database. This free web-based tool is a direct and efficient BuiltWith alternative for quick technology detection.

ShopRank
ShopRank monitors over 2 million e-commerce websites monthly, providing lead generation tools and statistics on technologies, e-commerce platforms, and couriers. As a freemium SaaS platform, it's a specialized BuiltWith alternative for those focused on e-commerce lead generation and website monitoring.

findmassleads
findmassleads allows users to search websites by technology and find email addresses of sites using specific tech stacks like Shopify + Hello Bar. This commercial SaaS solution offers a focused approach to lead generation based on technology data, serving as a powerful BuiltWith alternative for targeted outreach.

Allfactor
Allfactor is a powerful e-commerce competitive analytics platform that enables users to spy on competitors, discover top trends, and track Shopify and other e-commerce platforms. This free SaaS offering is an in-depth BuiltWith alternative specializing in business intelligence, database insights, competitive analysis, and e-commerce.
With a diverse range of features, platforms, and pricing models, these BuiltWith alternatives offer something for everyone. We encourage you to explore each option to find the best fit for your specific web technology research, lead generation, or competitive analysis needs.