
one sec
Freedom.to
Cold Turkey
Forest App
AppBlock
Focus App
FocusMe
Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.

Bootstrap
Materialize CSS
Foundation
Semantic UI
UIKit
Bulma
Tailwind CSS
A Beautiful Boilerplate for Responsive, Mobile-Friendly Development

Which is more popular?
Based on our record, Skeleton CSS seems to be more popular. It has been mentioned 17 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | opal.so | getskeleton.com |
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What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Opal.so yet.
Overall verdict
Why this product is good
Recommended for
Skeleton CSS is recommended for developers who appreciate a minimalist approach, those working on small to medium-sized projects, designers who want a lightweight starting point without a steep learning curve, and anyone looking to quickly prototype ideas without being bogged down by extensive styling rules or pre-existing themes.
Walkthroughs and reviews on video.
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Skeleton Anatomy and Physiology Review Bones 01
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Opal.so and Skeleton CSS. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Opal.so yet. Be the first one to post
Balance Functionality and Performance: High functionality might come with the cost of performance. For example, MUI is exceptional for material design, but it might be heavier compared to lighter frameworks like...
However, it's important to note that Skeleton lacks active maintenance, posing a significant drawback. Additionally, the security of the Skeleton website is currently questionable. Furthermore, its use of outdated...
Skeleton is a lightweight CSS framework, majorly popular for its 12-column fluid grid, which consists of rows and columns, similar to other CSS grids. The newer version of Skeleton adopts a mobile-first approach,...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Opal.so since May 2025.
I had been using similar projects such as skeleton[0] and milligram[1] for small experiments such as repfl[2], and wanted to create something similar that I would find aesthetically pleasing and that would fit in as little space as... - Source: Hacker News / over 2 years ago
Here's my personal goto: Find some minimal CSS framework. My preference is Skeleton [0] or Bootstrap [1]. The key is just finding something minimal that works without too much fuss. Personally, I rather have a minimal framework provide... - Source: Hacker News / almost 4 years ago
I've used http://getskeleton.com/ in the past. I think it's probably just what you're looking for. Source: almost 4 years ago
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