Awesome C# Open-Source Projects

Projects

20,279

Posts

63,529

Mentions

83,904

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.

www.jetbrains.com

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AppSignal - Monitoring that respects your time & budget

APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.

www.appsignal.com

sponsored

# Project Mentions Stars

SMAPI The modding API for Stardew Valley. 203 2,756

OpenAI-DotNet A Non-Official OpenAI RESTful API Client for DotNet 170 757

MonoGame One framework for creating powerful cross-platform games. 99 14,503

trace-context-w3c W3C Trace Context purpose of and what kind of problem it came to solve. 53 4

NaturalCron Human-readable recurrence rules and scheduling engine for .NET. 3 129

dopTenEssentialTechNet Projetos .NET 10 (console, Minimal APIs e testes) com exemplos de Span, Options, background services, WorkflowCore, FastEndpoints, Polly, Flurl, Testcontainers, Dapper, EF Core DbContext pool e logging com source generators. 2 0

typescript-dotnet 2 0

polhem-oauth2 A lightweight OAuth2 authentication library for .NET, supporting Google, Facebook, LINE, Microsoft Entra ID, Auth0 and Okta. 1 15

polhem Modular .NET enterprise application framework 1 1

polhem-jsonrpc JSON-RPC 2.0 for .NET on System.Text.Json: server, ASP.NET Core endpoint and client 1 1

decision-1-aiops Benchmarking Microsoft-Decision-1 on public AIOps datasets (HDFS log anomalies, microservice root-cause analysis) 1 0

Popular C# Topics

C# .NET Unity C# Windows dotnet-core Unity3d WPF Game Blazor asp-net-core ASPnetcore Nuget Dotnetcore Mod Game development Gamedev API Xamarin AI Netcore Android Cross-Platform Modding Docker

Trending C# projects

Trending »

gsharp ↗︎ 16.8%

MiniPdf ↗︎ 16.2%

chaptarr ↗︎ 14.5%

DirectPackageInstaller ↗︎ 13.7%

ui ↗︎ 13.3%

Smartstore ↗︎ 12.1%

unity-cli-loop ↗︎ 9.9%

PS4PKGTool ↗︎ 9.8%

Sonarr ↗︎ 9.6%

Cpp2IL ↗︎ 9.3%

Latest discoveries

decision-1-aiops ★ 0

typescript-dotnet ★ 0

polhem-jsonrpc ★ 1

polhem ★ 1

polhem-oauth2 ★ 15

claude-notify ★ 2

OpenZ ★ 3

zeeq-biome ★ 0

dotnet-minimal-api-starter ★ 0

cordango ★ 5

Latest mentions

trace-context-w3c 4 h · dev.to

NaturalCron 5 h · dev.to

OpenAI-DotNet 13 h · dev.to

dopTenEssentialTechNet 16 h · dev.to

decision-1-aiops 18 h · dev.to

typescript-dotnet 19 h · news.ycombinator.com

polhem 20 h · dev.to

polhem-jsonrpc 20 h · dev.to

polhem-oauth2 20 h · dev.to

MonoGame 24 h · dev.to

Many thanks to our great sponsors

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.

www.jetbrains.com

sponsored

AppSignal - Monitoring that respects your time & budget

APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.

www.appsignal.com

sponsored

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SaaSHub helps you find the best software and product alternatives

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