BuiltWith
Wappalyzer
WhatRuns
Similar Tech
W3Techs
Webspotter
SiteRecipe
WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.

CallRail
Callingly
Trigger calls and texts from any website form.

Which is more popular?
Based on our record, What CMS seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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WCM
What CMS
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|---|---|---|
| Website | whatcms.org | ringform.com |
| Pricing | — | |
| Platforms | — | |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing What CMS and Ringform.
Ringform's answer:
Ringform makes it easy to trigger calls and texts from any website form. No form changes are required. Get started in under 5 minutes.
Share your experience with using What CMS and Ringform. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Https://whatcms.org/?s=daylightcomputer.com It looks self made. - Source: Hacker News / over 2 years ago
I want to replicate something like this. I've tried https://whatcms.org https://bundlescanner.com https://builtwith.com https://wappalyzer.com to learn. It looks like Jquery Ui to me. Can someone help me please? Source: over 3 years ago
Does anyone know know which theme this site learnprompting.pro is using? whatcms.org is showing it's using shopify but it doesn't show the theme. I'm looking to launch a SaaS tool and this one looks just perfect for my use case. Or if... Source: over 3 years ago
Tracking Ringform since Jan 2026.
When comparing What CMS and Ringform, you can also consider the following products.


A-la-carte call tracking software for small business
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Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.
Compare Wappalyzer to What CMS or Ringform:

Turn your website visitors into callers with a click
Compare Callingly to What CMS or Ringform:

Extension that helps you identify technologies used on any website at the click of a button.
Compare WhatRuns to What CMS or Ringform:

SimilarTech offers a Sales Insights platform which helps companies uncover their ideal market by crawling the sourcecode of over 300M sites.
Compare Similar Tech to What CMS or Ringform: