Top CSHARP GitHub Repositories & Tools (2026)

Open Rails: free train simulator that supports the world's largest range of digital content.

📦 This repo includes .NET nanoFramework implementations for various sensors, chips, displays, hats and drivers

A BepInEx mod for The Bazaar.

Lightweight embeddable web server written in pure C# with few dependencies to 3rd-party libraries.

C# .NET 10 Blazor habit tracker application. Works on Web, Windows, Linux, Android, iOS and macOS.

Instant SECURE Full Stack Apps and AI Agents

SharpConsoleUI — A reactive terminal UI framework for .NET with a robust async model, per-window threads, a real compositor engine, 30+ controls, and NativeAOT support.

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

A companion toolkit for the standard toolkit.

PnP Framework is a .NET library targeting Microsoft 365 containing the PnP Provisioning engine and a ton of other useful extensions

C#/.NET Core bindings for TDLib (Telegram MTProto API)

Sass Compiler Library for .NET Core 3.1/5.x/6.x/7.x without node, using dart-sass as a compiler

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

N.I.N.A. (Nighttime Imaging 'N' Astronomy) - Advanced astrophotography sequencing software for Windows, supporting full automation of imaging sessions.

Jellyfin theme song plugin using ThemerrDB.

TypeWhisper for Windows - Local speech-to-text with translation

GDAL 3.x C#/F# bindings for .NET apps

Snowflake Connector for .NET

Ollama SDK for .NET

A GUI tool that allows you to validate the text encoding of one or more files. Modified from https://encodingchecker.codeplex.com/