Blazor – What to Know about This Open-Source UI Framework

Blazor is a client-side UI framework built on Microsoft’s .NET web framework.

Two factors make Blazor unique:

For one, Blazor is an open-source project. The source code is owned by the .NET Foundation but can be used by anyone.

However, the second reason is perhaps what is most attractive about Blazor: the framework changes how application frontends are developed.

Traditionally, frontends are developed using JavaScript. However, Blazor allows developers to write interactive application frontends using HTML, CSS and C#.

What’s next for Blazor

Blazor is part of the Open-source UI Frameworks trend.

New, more advanced frameworks have led to an increasing rate of open-source framework adoption (44% of companies say they have plans to increase open-source adoption within their organization).

Cost reduction is the primary reason behind this increased adoption rate (68% of companies cite cost savings as the main reason they plan to use open-source frameworks).

Other open-source UI frameworks

Below are examples of popular open-source UI frameworks.


Vue.js is an open-source JavaScript framework for building user interfaces and single-page applications.

Vue.js is one of the most popular JavaScript frameworks and is used by companies like Alibaba, Baidu, and Tencent.


React is a JavaScript library for building user interfaces.

React is developed and maintained by Facebook.


Angular is a TypeScript-based open-source web application framework led by the Angular Team at Google.


Svelte is a component-based JavaScript framework similar to React and Vue.js.

Unlike React and Vue.js, which are libraries, Svelte is a compiler that transforms components into highly efficient vanilla JavaScript code.

PWA Support

PWAs are web applications that can be installed on devices like smartphones and laptops.

Blazor PWAs are supported on all modern browsers, including Edge, Chrome, Safari, and Firefox.

In May 2019, Microsoft announced that they were working on official PWA support for Blazor.

Microsoft has also created a sample Blazor PWA project template that developers can use to get started with building PWAs using Blazor.

What is Blazor – Blazor for Beginners

Conclusion – Blazor

While Blazor is a new framework, it has already gained traction among developers and organizations looking for an alternative to traditional front-end development frameworks.

The benefits of using Blazor include the ability to write interactive frontends using HTML, CSS, and C#; cost savings due to the open-source nature of the framework; and support for PWAs.

Microsoft is also investing in the future of Blazor with plans to improve PWA support and add new features to the framework.

With its unique features and Microsoft’s backing, Blazor is poised to become a major player in the frontend development landscape.

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