
Markup.io
Marker.io
Pastel
BugHerd
Userback
Usersnap
Fiidbakk
ruttl is the fastest website feedback tool to add comments & make edits on live websites & web apps, so that you can give precise change values to your developers. You can also collect feedback from your clients without login or sign-up!

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

Which is more popular?
Based on our record, Ruttl seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | ruttl.com | componentlibraries.com |
| Pricing | ||
| Platforms | — | |
| Company | 2020 | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


To review fully developed websites, currently, people take screenshots, encircle design issues and share them in a word document or have long meetings with the developers to implement the changes. The average time required to review any page using such methods is over 3-4 hours alone, which makes...
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builders to avoid searching for the perfect UI component library for their project and scrolling through GitHub repos, outdated blog lists, or product pages that barely show what’s inside...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 Ruttl 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Component Libraries is literally the only platform showcasing all the best component libraries, besides GitHub repos, outdated blog lists, or product pages.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 Ruttl and ComponentLibraries. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Competitors There are a few competitors out there that do something very similar (see https://ruttl.com/, https://usepastel.com/, https://bugherd.com/, https://www.markup.io/). This seems to suggest that there seems to be a general... Source: over 3 years ago
Ruttl.com — The best all-in-one feedback tool to collect digital feedback and review websites, PDF's and images. - Source: dev.to / almost 4 years ago
Ruttl - Helps you leave comments directly on live websites. Source: about 5 years ago
Tracking ComponentLibraries since Feb 2025.
When comparing Ruttl and ComponentLibraries, you can also consider the following products.

The easiest way to comment and share feedback on over 30 file types. Sign up for free, upload your content, drop a comment, and share for review. Yep, it’s that simple.
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A CSS Framework and a Set of React Components that Implement Google's Material Design
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Visual feedback and bug reporting tool for websites
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Sticky note-based feedback collection tool for live websites
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BugHerd: The Website Feedback Tool for Agencies
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Userback empowers product teams to collect, understand, and act on user feedback with unprecedented speed and clarity.
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