GrapheneOS
LineageOS
Android
e.foundation /e/
postmarketOS
Ubuntu Touch
DivestOS
Privacy-focused operating system for smartphones based on Android and microG

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, CalyxOS seems to be more popular. It has been mentioned 191 times since March 2021.
Website, pricing, platforms and company facts side by side.
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COS
CalyxOS
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|
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|---|---|---|
| Website | calyxos.org | componentlibraries.com |
| Pricing | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of CalyxOS yet.
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builders to avoid searching for the perfect UI component library for their project and scrolling through GitHub repos, outdated blog lists, or product pages that barely show what’s inside...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.

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
Walkthroughs and reviews on video.
CalyxOS Review: The Private & Secure Android ROM For Everyone!
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing CalyxOS 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Component Libraries is literally the only platform showcasing all the best component libraries, besides GitHub repos, outdated blog lists, or product pages.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 CalyxOS 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.

It ships with Signal for encrypted messaging; Tor browser to access the web without any tracking; a free and trusted VPN from the Calyx Institute; the open-source Aurora Store, a Play Store alternative, and more....
We have no reviews of ComponentLibraries yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

I use pixel 3 with https://calyxos.org/ as a home phone to play music, record videos, pictures etc. Calyxos is still providing extended support for 4a, but microG doesn't work as well compared to sandboxed google play services on... - Source: Hacker News / over 1 year ago
For example https://androidauthority.com/grapheneos-3287030/ > "Even if you stomach the Pixel-only requirement" I have not and will not stomach that at all, nope! https://grapheneos.org/faq#supported-devices Nope! I wasn't paying... - Source: Hacker News / over 2 years ago
I'm sure you did your research. I'm writing for other readers who are interested. There are a few alternatives, more can be found but this is a selection of the most prominent offerings. /e/OS: https://e.foundation/e-os/ GrapheneOS:... - Source: Hacker News / almost 3 years ago
Tracking ComponentLibraries since Feb 2025.
When comparing CalyxOS and ComponentLibraries, you can also consider the following products.

GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.
Compare GrapheneOS to CalyxOS or ComponentLibraries:

A CSS Framework and a Set of React Components that Implement Google's Material Design
Compare Material UI to CalyxOS or ComponentLibraries:

Operating system for smartphones and tablet computers, based on the Android
Compare LineageOS to CalyxOS or ComponentLibraries:

Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Compare Android to CalyxOS or ComponentLibraries:

/e/ is a fork of LineageOS that aims to be completely free of everything Google.
Compare e.foundation /e/ to CalyxOS or ComponentLibraries:

A real Linux distribution on the phone
Compare postmarketOS to CalyxOS or ComponentLibraries: