Top C-SHARP GitHub Repositories & Tools (2026)

Re-implementation of The Sims Online.

Shoko is a media metadata aggregator that solves all of the annoying edge cases that face anime's differing structure from western media. It integrates directly with media software rather than working around things like nfo files or naming conventions.

Cross-platform 2D game engine focused on ultimate productivity built in .NET

Temporal .NET SDK

MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.

🌐 YAF.NET - C# ASP.NET Forum

Fluent mapping for Dapper, with conventions, immutable object materialization, analyzers, source generators, DI integration, and Dommel support.

QLNet C# Library

Highly Performant & Scalable Ultima Online Server Emulator

XNA / MonoGame based client for playing classic Command & Conquer games both online and offline with a CnCNet game spawner.

Confluent's Apache Kafka .NET client

RMC-14 is an asymmetric PvP game that runs on Robust Toolbox.

High-performance QR code generator/reader with SkiaSharp integration.

NUnit Console runner and test engine

NUnit 3.0 Visual Studio test adapter for use under VS 2012 or later

Google Maps Web Services API wrapper for .NET

☁💾 Manage your Azure Storage blobs, tables, queues and file shares from this simple and intuitive web application.

A fork of Space Station 14, embracing a mixture of classic SS13 chaos and experimentation only possible with the new engine

Visual Studio extension to show the code structure of your current document

A C# client to to interact with the WordPress XML-RPC API