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Top 23 C# WebAssembly Projects
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Uno Platform
Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-codebase apps from any IDE. Hot Reload included! 90m+ NuGet Downloads!!
As-is today, AI tools provide some productivity gains. However, they are not replacements for experienced developers. At Uno Platform we are investing in tools which make developers productive within their current environments, such as Hot Design. Also, we are keeping a close eye and thinking of these useful scenarios to apply AI to, as we don’t believe just adding a simple LLM to it will actually add value. So, stay tuned to our blogs and Dev.to account as there is more goodness coming on this topic.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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fluentui-blazor
Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications
Project mention: Building the Same App Using Various Web Frameworks | news.ycombinator.com | 2024-09-10Now do the same using Blazor Server (C#). For convenience use https://www.fluentui-blazor.net/ or https://mudblazor.com/ for your UI components.
It has it's compromises but it's great for just building stuff, with UI updates streamed to the client, no JS (or as much as you want), no extra API building just for the sake of your SPA. Note that I'm not talking about Blazor WASM.
If you're interested in working as a developer for corporations outside of the SF bubble (e.g. the other 80% that use Windows instead of macOS) it's worth checking out, especially for internal corporate stuff.
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Radzen Blazor Components
Radzen Blazor is a set of 70+ free native Blazor UI components packed with DataGrid, Scheduler, Charts and robust theming including Material design and FluentUI.
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BootstrapBlazor
Bootstrap Blazor is an enterprise-level UI component library based on Bootstrap and Blazor.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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MASA.Blazor
Blazor UI component library based on Material Design. Support Blazor Server, Blazor WebAssembly and MAUI Blazor.
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dotnet-webassembly
Create, read, modify, write and execute WebAssembly (WASM) files from .NET-based applications.
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Havit.Blazor
Free Bootstrap 5 components for ASP.NET Blazor + optional enterprise-level stack for Blazor development (gRPC code-first, layered architecture, localization, auth, ...)
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BlazingChat
BlazingChat is a Blazor WebAssembly app developed by CuriousDrive for the community. This is a sample application for developers who are just getting started with Blazor.
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calculator
Uno Calculator: A simple yet powerful iOS/Android/WebAssembly/Linux C# port of the calculator that ships with Windows (by unoplatform)
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Plotly.Blazor
This library packages the well-known charting library plotly.js into a razor component that can be used in a Blazor project.
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Ididit
C# .NET 7 Blazor habit tracker application. Works on Web, Windows, Linux, Android, iOS and macOS.
On April 15, 2022, I started working on Ididit using Blazor with .NET 6. With the release of .NET 7 on November 8, 2022, I upgraded the project to .NET 7. I aimed to make the app truly cross-platform, so in addition to WASM, WinForms, and WPF, I also explored Microsoft MAUI, Chromely, Electron.NET, and Photino.
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SaaSHub
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C# WebAssembly discussion
C# WebAssembly related posts
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Orchestrating Distributed Apps (Spin/Rust and .NET/C#) with .NET Aspire/Dapr
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What Led Me to Creating OpenHabitTracker and Lessons Learned
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You should try .NET + libSQL, and here’s why
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Best Blazor Components Package (Other than MudBlazor)
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Using Radzen components in Blazor 8
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Anyone Else Using Havit Blazor? I am having an issue with their accordion
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Oqtane 4.0.1 Released
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A note from our sponsor - SaaSHub
www.saashub.com | 23 May 2025
Index
What are some of the best open-source WebAssembly projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Uno Platform | 9,374 |
| 2 | ant-design-blazor | 5,986 |
| 3 | fluentui-blazor | 4,312 |
| 4 | Radzen Blazor Components | 3,912 |
| 5 | BootstrapBlazor | 3,447 |
| 6 | TodoApp | 3,004 |
| 7 | Oqtane | 2,103 |
| 8 | blazorboilerplate | 1,900 |
| 9 | CSLA .NET | 1,305 |
| 10 | MASA.Blazor | 1,266 |
| 11 | dotnet-webassembly | 804 |
| 12 | Grid.Blazor | 723 |
| 13 | Canvas | 626 |
| 14 | Havit.Blazor | 552 |
| 15 | BlazingChat | 451 |
| 16 | wasmtime-dotnet | 446 |
| 17 | calculator | 397 |
| 18 | Plotly.Blazor | 392 |
| 19 | Mond | 378 |
| 20 | Blazor.SVGEditor | 327 |
| 21 | Uno.Samples | 238 |
| 22 | Ididit | 231 |
| 23 | Storage | 229 |
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