
Bootstrap
Materialize CSS
Semantic UI
UIKit
Tailwind CSS
Material UI
Bulma
The most advanced responsive front-end framework in the world

Flash Player 2021
SuperNova Player
X (Twitter)
Newgrounds Player
CheerpX for Flash
Ruffle
Gnash
Open-source re-implementation of Silverlight on modern browsers using WebAssembly.

Which is more popular?
Based on our record, Foundation should be more popular than OpenSilver. It has been mentioned 22 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | get.foundation | opensilver.net |
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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
No analysis of OpenSilver yet.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


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


The reason I picked Foundation for this list is its strong emphasis on creating responsive designs, a feature that many developers value in the era of mobile browsing. This framework differentiates itself with an...
Semantic, coherent, and fully customizable, the Foundation empowers developers to create designs that are not only visually appealing but also adaptable to various screen sizes. Starting with small devices, developers...
Not only this, but they also have ‘Foundation for Emails’, which is a framework to code responsive HTML emails. Hence, whenever you are looking for an alternative to Bootstrap, do give Foundation a try.
We have no reviews of OpenSilver yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Foundation - The most advanced responsive front-end framework. - Source: dev.to / 7 months ago
Foundation is a mobile-first responsive front-end framework that provides a range of CSS and JavaScript components for creating websites quickly. It’s often seen as a competitor to Bootstrap, offering more flexibility and customization... - Source: dev.to / almost 2 years ago
Foundation: An easy-to-use, powerful, and flexible front-end framework for building web applications on any device. - Source: dev.to / almost 2 years ago
- XAML autocompletion, AI error fixing, split editor views The visual designer is the differentiator: 100+ drag-and-drop controls for building UIs. But the NuGet and sharing features work even if you ignore the designer entirely and just... - Source: Hacker News / 7 months ago
Beside already mentioned, there is OpenSilver[1]. Supports Silvelight and WPF. Renders to DOM+WASM. They are also planning support for MAUI. [1] https://opensilver.net/. - Source: Hacker News / 10 months ago
I would also say that IF blazor worked on a browser plugin like silverlight did, today that's not the case it is built on the webassembly standard which and it is being adopted in the browsers which means once it gets on the web, it is... - Source: dev.to / almost 3 years ago
When comparing Foundation and OpenSilver, you can also consider the following products.

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
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Want to fix "This plugin is not supported" and "Adobe Flash Player is blocked" error messages? This extension will remove those messages and allow you to play Flash in any website with a single click.
Compare Flash Player 2021 to Foundation or OpenSilver:

A modern responsive front-end framework based on Material Design
Compare Materialize CSS to Foundation or OpenSilver:
SuperNova Player allows systems to play .SWF files in a standalone player launched from any browser.
Compare SuperNova Player to Foundation or OpenSilver:

A UI Component library implemented using a set of specifications designed around natural language
Compare Semantic UI to Foundation or OpenSilver:

Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Compare X (Twitter) to Foundation or OpenSilver: