# WhatRuns alternatives

> WhatRuns alternatives checked November 2026: it is free and updated, so most people can stay. Or try Sitepeel, CRFT Lookup, Wappalyzer and BuiltWith.

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

WhatRuns is free and still updated, so most people should stay on it; for a lookup with no install, use Sitepeel’s tech stack checker or CRFT Lookup. Its last update was on October 27, 2026. For a wider extension with lead lists, use Wappalyzer, and for years of history, BuiltWith.

Published: 2026-11-05

Facts and prices checked: 2026-11-05

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

- No install: Sitepeel’s tech stack checker or CRFT Lookup
- Safari or iPhone, and lead lists: Wappalyzer
- Long history: BuiltWith

## The short list

WhatRuns is an extension for Chrome and Firefox only. People look elsewhere when they can’t install one, need another browser, or want to see more than the stack.

WhatRuns 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 |
| CRFT Lookup | Stack plus speed scores | Free, unlimited scans per its FAQ | Web |
| Wappalyzer | More browsers and lead lists | Free extension; plans from $250 a month | Chrome, Firefox, Edge, Safari, iPhone |
| BuiltWith | History and market data | Free lookups; plans from $295 a month | Web, Chrome, Firefox, Edge |
| Hoverify | Stack inside a dev toolbox | $35 a year or $99 once | Chrome, Firefox |

Good to know: Checked on November 5, 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

Paste a link and Sitepeel shows the framework, CMS, hosting, libraries and analytics, each with the evidence it found, plus the site’s fonts and colors. Nothing to install, no account.

![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.

- No alerts when a site changes its stack

## 2. CRFT Lookup

CRFT Lookup scans a public site in a real browser and reports its stack, Lighthouse scores, meta tag previews and sitemap, in a report you can share for 30 days.

## 3. Wappalyzer

Wappalyzer’s free extension has 3,000,000 Chrome users and also runs on Edge and Safari. A free account adds 50 lookups a month. Paid plans sell lead lists and company data.

![Wappalyzer’s website: “Find companies by the technologies they use”](https://sitepeel.dev/images/compare/wappalyzer-home.webp)

Wappalyzer’s website on October 27, 2026.

## When WhatRuns is the better pick

- You want a free extension with no sign-up
- You check WordPress plugins and themes, and the fonts on a site
- You want a note when a site you follow adds or drops a technology
- You use Chrome or Firefox: version 1.11.1 came out on both on October 27, 2026

## Which one should you pick?

**Verdict:** Stay on WhatRuns if it does the job. For no install, Sitepeel or CRFT Lookup. For other browsers and lead lists, Wappalyzer. For years of history, BuiltWith.

- [Check a website’s tech stack for free](https://sitepeel.dev/free-tools/built-with/index.md)
- [Sitepeel Chrome extension](https://sitepeel.dev/extension/index.md)

## Questions and answers

### Is WhatRuns free?

Yes. Its site says it’s free and needs no sign-up, and it shows no paid plan.

### Is WhatRuns still updated?

Yes. Version 1.11.1 came out on Chrome and Firefox on October 27, 2026. It has 400,000 Chrome users and a 4.3 rating.

### Can I use WhatRuns without an extension?

No, it’s extension only. For a website lookup, paste a link into Sitepeel’s tech stack checker, CRFT Lookup or BuiltWith.

### Is WhatRuns on Safari or Edge?

We found it on Chrome and Firefox only. Wappalyzer’s extension runs on Edge and Safari as well.

## Further reading

- [WhatRuns](https://www.whatruns.com/)
- [WhatRuns on the Chrome Web Store](https://chromewebstore.google.com/detail/whatruns/cmkdbmfndkfgebldhnkbfhlneefdaaip)
- [WhatRuns on Firefox Add-ons](https://addons.mozilla.org/en-US/firefox/addon/whatruns/)
- [CRFT Lookup](https://www.crft.studio/lookup)
- [Wappalyzer: pricing](https://www.wappalyzer.com/pricing/)
- [BuiltWith: plans](https://builtwith.com/plans)
- [Hoverify: pricing](https://tryhoverify.com/pricing/)

## Related pages

- [Wappalyzer alternatives](https://sitepeel.dev/compare/wappalyzer-alternatives/index.md): Wappalyzer alternatives checked November 2026: is the extension still free, what paid plans cost, and free lookups with Sitepeel, WhatRuns and CRFT Lookup.
- [BuiltWith alternatives](https://sitepeel.dev/compare/builtwith-alternatives/index.md): BuiltWith alternatives checked November 2026: free lookups of one site with Sitepeel, CRFT Lookup or WhatRuns, and lead lists from Wappalyzer, with prices.
- [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.