mongodb / mongo-csharp-driver

The Official C# .NET Driver for MongoDB

grame-cncm / faust

Functional programming language for signal processing and sound synthesis

FastReports / FastReport

Free Open Source Reporting tool for .NET6/.NET Core/.NET Framework that helps your application generate document-like reports

dotnet / vscode-csharp

Official C# support for Visual Studio Code

FNA-XNA / FNA

FNA - Accuracy-focused XNA4 reimplementation for open platforms

shrimqy / Sefirah

Phone Link / KDE Connect alternative

microsoft / playwright-dotnet

.NET version of the Playwright testing and automation library.

dotnet / macios

.NET for iOS, Mac Catalyst, macOS, and tvOS provide open-source bindings of the Apple SDKs for use with .NET managed languages such as C#

DotNetAnalyzers / StyleCopAnalyzers

An implementation of StyleCop rules using the .NET Compiler Platform

roslynpad / roslynpad

Cross-platform C# editor based on Roslyn

microsoft / TemplateStudio

Template Studio accelerates the creation of new WinUI 3, WPF, and UWP apps using a wizard-based experience.

openai / openai-dotnet

The official .NET library for the OpenAI API

yimengfan / BDFramework.Core

Simple and powerful Unity3d game workflow! 简单、高效、高度工业化的商业级unity3d 工作流。

serenity-is / Serenity

Business Apps Made Simple with Asp.Net Core MVC / TypeScript

UglyToad / PdfPig

Read and extract text and other content from PDFs in C# (port of PDFBox)

yhuse / SunnyUI

SunnyUI.NET 是基于.NET Framework 4.0+、.NET6、.NET8、.NET9 框架的 C# WinForm UI、开源控件库、工具类库、扩展类库、多页面开发框架。

snownico0722 / PaperTodo

A minimalist Windows desktop sticky note tool. It puts a few quiet, usable, and unobtrusive sheets of paper on your desktop. Native WPF, with support for to-dos and Markdown.——极简 Windows 桌面便签工具。让桌面上有几张安静、可用、不会打扰人的纸。WPF 原生，支持待办与 Markdown。

ValveResourceFormat / ValveResourceFormat

Source 2 Viewer is an all-in-one tool to browse VPK archives, view, extract, and decompile Source 2 assets, including maps, models, materials, textures, sounds, and more.

AngusJohnson / Clipper2

Polygon Clipping, Offsetting & Triangulation in C++, C# and Delphi

Squidex / squidex

Headless CMS and Content Managment Hub

BrighterCommand / Brighter

A framework for building messaging apps with .NET and C#.

vpnhood / VpnHood

Undetectable, Fast, Cross-Platform, Free VPN

immichFrame / ImmichFrame

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Alex-Rachel / TEngine

Unity 商用级别开发框架，原生内置 AI 工作流支持，集成 HybridCLR 高性能热更、Obfuz 代码混淆加固、YooAssets 企业级资源管理方案，构建高效、安全、可扩展的工业化开发底座。

zzzprojects / EntityFramework-Plus

Entity Framework Plus extends your DbContext with must-haves features: Include Filter, Auditing, Caching, Query Future, Batch Delete, Batch Update, and more

belav / csharpier

CSharpier is an opinionated code formatter for c#.

Unity-Technologies / com.unity.netcode.gameobjects

Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.

tareqimbasher / NetPad

A cross-platform C# editor and playground.

PragmaticFlow / NBomber

Distributed load-testing framework for .NET. Create distributed load test scenarios entirely using plain C# or F#. It is designed to test any system regardless of the protocol or a semantic model (Pull/Push).

jenius-apps / ambie

An app that uses white noise, nature sounds, and focus features to boost your productivity.

jayfunc / BetterLyrics

An elegant and deeply customizable lyrics visualizer & versatile music player, built with WinUI3/Win2D | 一款优雅且高度自定义的歌词可视化与全能音乐播放应用，基于 WinUI3/Win2D 构建

dotnet / spark

.NET for Apache® Spark™ makes Apache Spark™ easily accessible to .NET developers.

realworld-apps / aspnetcore-realworld-example-app

ASP.NET Core backend implementation for RealWorld

OmniSharp / omnisharp-roslyn

OmniSharp server (HTTP, STDIO) based on Roslyn workspaces

jie65535 / GrasscutterCommandGenerator

Command Generator and Gacha Banner Editor

dotnet / dotNext

Next generation API for .NET

pyrevitlabs / pyRevit

Rapid Application Development (RAD) Environment for Autodesk Revit®

sipsorcery-org / sipsorcery

A WebRTC, SIP and VoIP library for C# and .NET. Designed for real-time communications apps.

featbit / featbit

Enterprise-grade feature flag platform that you can self-host. Get started - free.

bcgit / bc-csharp

BouncyCastle.NET Cryptography Library (Mirror)

reactivemarbles / DynamicData

Reactive collections based on Rx.Net

mikependon / RepoDB

A production-ready data access platform for .NET applications.

zengzhan / qqzeng-ip

👑 qqzeng-ip/QZDB 极速IP解析引擎 | Next-gen High-Performance IP Lookup Engine (IPv4 & IPv6). Supports LPM, zero-allocation SDKs (C/Rust/Go/Java/C#/NodeJS/Python/PHP) & DBMS scripts.

genaray / Arch

A high-performance C# based Archetype & Chunks Entity Component System (ECS) with optional multithreading.

videolan / libvlcsharp

Cross-platform .NET/Mono bindings for LibVLC

Greedeks / GTweak

Portable Tool for an Ideal Windows Setup

Dirkster99 / AvalonDock

Our own development branch of the well known WPF document docking library

smartstore / Smartstore

A modular, scalable and ultra-fast open-source all-in-one eCommerce platform built on ASP.NET Core 10

bezzad / Downloader

Fast, cross-platform and reliable multipart downloader with asynchronous progress events for .NET applications.

TA-Lib / ta-lib

Technical analysis library: indicators and candlestick patterns, batch and streaming, native in C, Rust, Java, C#... and more

RickStrahl / MarkdownMonster

An extensible Markdown Editor, Viewer and Weblog Publisher for Windows

wiremock / WireMock.Net

WireMock.Net is a flexible product for stubbing and mocking web HTTP responses using advanced request matching and response templating. Based on WireMock Java, but extended and different functionality. Full documentation can be found at https://wiremock.org/dotnet/.

KirillOsenkov / MSBuildStructuredLog

A logger for MSBuild that records a structured representation of executed targets, tasks, property and item values.

gustavopsantos / Reflex

Minimal dependency injection framework for Unity

bkaankose / Wino-Mail

Built-in Mail & Calendars app clone for Windows.

Yu-Core / SwashbucklerDiary

侠客日记是一个开源、跨平台的本地日记app，使用Blazor开发，支持Android，Windows，macOS，Web，Linux。"SwashbucklerDiary" is an open source cross-platform local diary app using Blazor , support Android，Windows，macOS，Web，Linux.

snltty / linker

极具特色的，P2P打洞(UDP+TCP、IPV4+IPV6) + 服务器转发，实现的异地组网、内网穿透。让你那些散落在世界各地的联网设备就像在隔壁房间一样轻松访问。

microsoft / ai-dev-gallery

An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

SteveDunn / Vogen

A semi-opinionated library which is a source generator and a code analyser. It Source generates Value Objects

nietras / Sep

World's Fastest .NET CSV Parser. Modern, minimal, fast, zero allocation, reading and writing of separated values (`csv`, `tsv` etc.). Cross-platform, trimmable and AOT/NativeAOT compatible with blazing fast SIMD vectorized parsing.