
UserTesting.com
Maze
Hotjar
PlaybookUX
UXtweak
UserBob
UserZoom
Easy, fast, and affordable user testing for websites and prototypes.

Material UI
The ultimate directory for top UI component libraries in React, Vue, Angular, Nuxt, Svelte, Rails, Weblow, and more.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | userbrain.com | componentlibraries.com |
| Pricing | ||
| Platforms | — | |
| Company | 2014 | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


Userbrain is a remote user testing tool backed by a community of over 120k+ testers worldwide. Start testing in minutes. Get results in hours with easy, fast, and affordable user testing. Find out what’s working for your product — and what’s not. Whether you’re a UX Designer, Researcher, Product...
We want builders to avoid searching for the perfect UI component library for their project and scrolling through GitHub repos, outdated blog lists, or product pages that barely show what’s inside... We built ComponentLibraries.com to make finding the right component library effortless. Browse a...
What each product offers, as listed by its team.


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
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Userbrain and ComponentLibraries.
ComponentLibraries's answer:
There wasn't a single platform showcasing ALL the component libraries for any framework, let alone promoting bootstrapped independent ones, so we built one!
ComponentLibraries's answer:
Next.js, Typescript, Sanity CMS
ComponentLibraries's answer:
Component Libraries is literally the only platform showcasing all the best component libraries, besides GitHub repos, outdated blog lists, or product pages.
Share your experience with using Userbrain and ComponentLibraries. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Userbrain is a great UserZoom alternative when you are only looking to run a couple of tests and don’t look for any extra features. They can provide you with basic usability and user tests.
While Userbrain is all-in-all a good user testing platform, it might not be for everyone. People are different as are their needs and projects – therefore we have put together a list of 5 user testing tools that could...
We have no reviews of ComponentLibraries yet. Be the first one to post
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