Top CSHARP GitHub Repositories & Tools (2026)

C#/.NET client library for the Binance.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

Pure DI for .NET

Open-source cross-platform symbolic algebra library for C# and F#. Can be used for both production and research purposes.

The ultimate community-driven, and open-source competitive rhythm game available on Steam.

.NET for the NES game console

Win Application Framework (WAF) is a lightweight Framework that helps you to create well structured XAML Applications.

A C# Client library for Supabase

OpenCiv3 is an open-source, cross-platform, mod-oriented, modernized remake of Civilization III by the fan community built with the Godot Engine and C#, with capabilities inspired by the best of the 4X genre and lessons learned from modding Civ3.

A Blazor State management library by TimeWarp.

The .NET MAUI Markup Community Toolkit is a community-created library that contains Fluent C# Extension Methods to easily create your User Interface in C#

Self-hosted Personal AI + agent runtime in .NET (NativeAOT-friendly)

Automatic snapshot tool for Proxmox VE VMs and containers with retention policies

Write your pipelines in C# !

An open-source Low-Code development framework for .NET developers. Create .NET based business applications with 80% less code.

Fast, simple, and dependency-free physics engine written in C# with a clear and user-friendly API.

Discriminated Json Subtypes Converter implementation for .NET

Generate Refit interfaces and contracts from OpenAPI (Swagger) specifications

The agent harness for .NET: embeddable, extensible, remotely controllable and ready to use.

A mocking library based on the Compiler APIs (Roslyn + Mocks)

Open source tool to safely clean orphaned Windows Installer files and reclaim disk space