BuiltWith
Wappalyzer
WhatRuns
Similar Tech
W3Techs
Webspotter
SiteReport NetCraft
WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.
SpatialRead
NNScholar
SliceRead.pro
SciSpace
Zotero
Mendeley
Chirpz Agent
Employs AI to revolutionize your research experience.

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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OpenRead
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| Website | whatcms.org | openread.academy |
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What each product offers, as listed by its team.
Possible disadvantages
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.
Share your experience with using What CMS and OpenRead. 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: about 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 OpenRead since Apr 2023.
When comparing What CMS and OpenRead, you can also consider the following products.


Quickly understand complex research papers with AI. SpatialRead is a nonlinear research paper reading tool where you can highlight complex ideas and get simplified explanations on an infinite spatial canvas. Bring your own keys (BYOK).
Compare SpatialRead to What CMS or OpenRead:

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 OpenRead:

Search papers, read PDFs, verify citations, and run AI research agents in one desktop workspace for literature reviews, evidence tracking, and writing.
Compare NNScholar to What CMS or OpenRead:

Extension that helps you identify technologies used on any website at the click of a button.
Compare WhatRuns to What CMS or OpenRead:
The agent-native AI reading app. Slice any article into clean cards from multiple angles—ideas, claims, takeaways, quotes.
Compare SliceRead.pro to What CMS or OpenRead: