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Top 9 C# Development 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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Low-Code-Development-Platform
Rintagi is the world's first open source low-code application platform with limitless extension and rejuvenation. Since 1999, Robocoder Corporation has used Rintagi to develop and maintain mission-critical database applications for reputable companies, spanning multiple industries. Join us on Discord: https://discord.gg/m9cc7GQ68e
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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CodeMonkeys
CodeMonkeys is a modern MVVM (Model-View-ViewModel) application development framework with focus on Xamarin.Forms.
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C# Development discussion
C# Development related posts
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Show HN: A fake SMTP server for software integration testing
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Dev Proxy is a CLI tool for simulating APIs, including of errors/failure rate
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Generate an OpenAPI Document
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John Carmack on Functional Programming in C++ (2018)
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Creating nuget package that uses dependency injection
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What to learn?
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Ć Programming Language
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A note from our sponsor - SaaSHub
www.saashub.com | 17 Jun 2026
Index
What are some of the best open-source Development projects in C#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Papercut | 3,303 |
| 2 | dev-proxy | 792 |
| 3 | Kooboo | 337 |
| 4 | Low-Code-Development-Platform | 331 |
| 5 | neo-express | 42 |
| 6 | Piral.Blazor.Server | 14 |
| 7 | AT_Utils | 8 |
| 8 | CodeMonkeys | 0 |
| 9 | EnvJsonConv | 0 |