# Wappalyzer alternatives

> Wappalyzer alternatives, checked October 2026: Sitepeel, BuiltWith, WhatRuns, WhatCMS and Hoverify. Free and paid ways to see what a website is built with.

Canonical page: https://sitepeel.dev/compare/wappalyzer-alternatives/

Wappalyzer’s extension is free, but lookups, company data and the API cost from $250 a month. Here’s what else tells you what a site runs on.

Published: 2026-10-27

Facts and prices checked: 2026-10-27

Free website tool for this task: [Tech stack checker](https://sitepeel.dev/free-tools/built-with/index.md) (https://sitepeel.dev/free-tools/built-with/)

## In short

- Free from a link: Sitepeel’s tech stack checker and WhatCMS
- Free in your browser: WhatRuns
- Long history and lead lists: BuiltWith

## The short list

People look for a Wappalyzer alternative when they hit the 50 free lookups, don’t want an extension, or want to see more than the stack: fonts, colors and the design.

Wappalyzer alternatives compared

| Tool | Best for | Price | Works in |
| --- | --- | --- | --- |
| Sitepeel tech stack checker | A free check of one site, with evidence | Free, no sign-in | Any browser, from a link |
| BuiltWith | History and market data | Free lookups; plans from $295 a month | Web, Chrome, Firefox, Edge |
| WhatRuns | A free extension | Free | Chrome, Firefox |
| WhatCMS | Quick CMS checks | Free lookups; API from $20 a month | Web, API |
| Hoverify | Stack plus hosting, DNS and SSL | $30 a year or $89 once | Chrome, Firefox |

Good to know: Checked on October 27, 2026 on each product’s own site and store page. “No” means we couldn’t find it there. We make Sitepeel.

## 1. Sitepeel tech stack checker

Sitepeel’s free tech stack checker works from a link, with no extension or account. It shows the framework, CMS, hosting, libraries and analytics with evidence, plus the fonts and colors.

![Sitepeel tech stack checker result: linear.app is built with React, Motion and Inter](https://sitepeel.dev/images/compare/sitepeel-built-with.webp)

Sitepeel’s free tech stack checker on linear.app.

- One site at a time; no lists or API

## 2. BuiltWith

BuiltWith’s free lookups show a site’s technology and how it changed over the years. Its paid plans sell lists of every site using a tool.

![BuiltWith’s website: “Find out what websites are Built With”](https://sitepeel.dev/images/compare/builtwith-home.webp)

BuiltWith’s website on October 27, 2026.

## 3. WhatRuns

WhatRuns is the closest free swap for Wappalyzer’s extension: click it on any site to see its technologies, WordPress plugins and fonts.

## 4. WhatCMS

WhatCMS checks a site’s CMS and hosting for free on its website, with a free API for 500 checks a month.

## 5. Hoverify

Hoverify’s Site Stack tool lists technologies with hosting, DNS and SSL details, inside a paid all-in-one dev extension.

## Which one should you pick?

**Verdict:** For free checks, Sitepeel (no install) or WhatRuns (extension). For history and lists, BuiltWith. If you need leads and CRM data, Wappalyzer itself is still the one to beat.

## Questions and answers

### Is Wappalyzer still free?

The browser extension is free. A free account adds 50 lookups a month. Lead lists, company data and the API need a paid plan, from $250 a month.

### What is a free alternative to Wappalyzer?

WhatRuns is a free extension. Sitepeel’s tech stack checker and WhatCMS are free websites: paste a link, no install.

### Can I check a website’s tech stack without an extension?

Yes. Paste the link into Sitepeel’s tech stack checker, BuiltWith or WhatCMS. All three have free single lookups.

## Further reading

- [Wappalyzer: pricing](https://www.wappalyzer.com/pricing/)
- [BuiltWith: plans](https://builtwith.com/plans)
- [WhatRuns](https://www.whatruns.com/)
- [WhatCMS](https://whatcms.org/)
- [Hoverify](https://tryhoverify.com/)

## Related pages

- [Wappalyzer vs BuiltWith](https://sitepeel.dev/compare/wappalyzer-vs-builtwith/index.md): Wappalyzer vs BuiltWith, checked October 2026: free use, extensions, lead lists, history, API and prices. Plus a free way to check one site with no install.
- [BuiltWith alternatives](https://sitepeel.dev/compare/builtwith-alternatives/index.md): BuiltWith alternatives, checked October 2026: free tech stack lookups (Sitepeel, WhatRuns, WhatCMS) and paid lead data (Wappalyzer), with prices and limits.
- [Find what a site is built with](https://sitepeel.dev/guides/what-is-a-website-built-with/index.md): Find a website’s framework, CMS or site builder, hosting and libraries from the traces in its code and headers, and learn what no checker can see.