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Top 23 C# Window Projects
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ReSharper
ReSharper is now available in VS Code and Cursor. ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.
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Project mention: My PC Cries Every Morning, But These 8 Startup Apps Are Worth It | dev.to | 2025-11-12
Files: File Explorer's Cooler, Younger Sibling
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Avalonia
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
> I like WASM and I want to like WASM but the rate of maturity within the ecosystem is incredibly abysmal.
The C# toolchain for WebAssembly is pretty good. You can do a lot with Avalonia and Uno:
https://avaloniaui.net/
https://platform.uno/
Here's a C# clone of Visual Basic compiled to WebAssembly:
https://bandysc.github.io/AvaloniaVisualBasic6/
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UniGetUI
UniGetUI: The Graphical Interface for your package managers. Could be terribly described as a package manager manager to manage your package managers
Right, frustration about the no strings attached sentiment for OSS devs. Of course you've no obligations for support or maintenance, but with increasing exposure responsibility grows as de facto ever more projects, people, softwares depend on you.
This doesn't come over night and this is a spectrum and a choice. From purely personal side project over exotic Debian package to friggin httpx with 15k Github stars and 100 million downloads a week the 46th most downloaded PyPI package!
If this shall work reasonably in any way, hou have to step up. Take money (as they do, https://github.com/sponsors/encode), search fellow maintainers or cede involvement - even if only temporarily.
An example of a recent, successful transition is UniGetUI https://github.com/Devolutions/UniGetUI/discussions/4444
I feel there should be support from the ecosystem to help with that. OpenJS Foundation seems doing great: https://openjsf.org/projects. The Python Software Foundation could not only host PyPI but offer assistance for the most important packages.
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SaaSHub
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Project mention: Samsung Magician disk utility takes 18 steps and two reboots to uninstall | news.ycombinator.com | 2026-04-03
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N_m3u8DL-CLI
[.NET] m3u8 downloader 开源的命令行m3u8/HLS/dash下载器，支持普通AES-128-CBC解密，多线程，自定义请求头等. 支持简体中文,繁体中文和英文. English Supported.
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Project mention: Voidtools Everything – Locate files and folders by name instantly | news.ycombinator.com | 2026-02-08
https://github.com/Flow-Launcher/Flow.Launcher
It can be configured to use an existing Voidtools Everything install in its settings, so a universal launcher can double as the everything searchbar
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Dependencies
A rewrite of the old legacy software "depends.exe" in C# for Windows devs to troubleshoot dll load dependencies issues.
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Package managers like Chocolatey (Windows), APT (Linux), and Homebrew simplify software installation and management. They keep your tools up-to-date and reduce dependency conflicts.
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Kavita
Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
Supports: EPUB, PDF, CBZ, CBR, CB7, image folders Deploy: Docker · kavitareader.com · 10.1k stars
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mRemoteNG
mRemoteNG is the next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager.
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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!!
> I like WASM and I want to like WASM but the rate of maturity within the ecosystem is incredibly abysmal.
The C# toolchain for WebAssembly is pretty good. You can do a lot with Avalonia and Uno:
https://avaloniaui.net/
https://platform.uno/
Here's a C# clone of Visual Basic compiled to WebAssembly:
https://bandysc.github.io/AvaloniaVisualBasic6/
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MahApps.Metro
A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.
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Windows-Auto-Night-Mode
Automatically switches between the dark and light theme of Windows 10 and Windows 11
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NETworkManager
A powerful open-source tool for managing networks and troubleshooting network problems!
Project mention: I missed Network integrated tools on Windows so I built a Linux equivalent | news.ycombinator.com | 2026-05-30The project is called NMLinux. The title refers to NETworkManager by BornToBeRoot (https://github.com/BornToBeRoot/NETworkManager), a Windows GUI tool for network diagnostics that I wanted on Linux. NMLinux has nothing to
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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# Windows discussion
C# Windows related posts
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Screenshots of Old Desktop OSes
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PowerShell v7.6.1 Released
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Sudo for Windows
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YubiKey SSH Authentication: Stop Trusting Key Files on Disk
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Remove curl and wget aliases from PowerShell
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Batch Resize Images: 5 Free Methods Compared
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Windows native app development is a mess
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source Window projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | v2rayN | 108,657 |
| 2 | PowerShell | 53,856 |
| 3 | Files | 43,876 |
| 4 | DevToys | 31,633 |
| 5 | Avalonia | 30,975 |
| 6 | UniGetUI | 24,415 |
| 7 | PEASS-ng | 19,982 |
| 8 | Bulk-Crap-Uninstaller | 19,580 |
| 9 | N_m3u8DL-CLI | 15,941 |
| 10 | Flow.Launcher | 14,916 |
| 11 | EverythingToolbar | 14,155 |
| 12 | Dependencies | 11,465 |
| 13 | Chocolatey | 11,413 |
| 14 | EarTrumpet | 11,062 |
| 15 | Kavita | 10,922 |
| 16 | mRemoteNG | 10,877 |
| 17 | Notepads | 10,127 |
| 18 | Uno Platform | 9,961 |
| 19 | MahApps.Metro | 9,802 |
| 20 | Windows-Auto-Night-Mode | 9,483 |
| 21 | NETworkManager | 8,362 |
| 22 | xdm | 7,686 |
| 23 | Parabolic | 6,201 |
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ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.
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