Awesome Open Source
Awesome Open Source
Application Programming Interfaces
Command Line Interface
Integrated Development Environments
Lists Of Projects
User Interface Components
Web User Interface
The Top 11,124 C Sharp Open Source Projects
If you want to keep a secret, you must also hide it from yourself.
Become A Software Engineer At Top Companies
Identify your strengths with a free online coding quiz, and skip resume and recruiter screens at multiple companies at once. It's free, confidential, includes a free flight and hotel, along with help to study to pass interviews and negotiate a high salary!
CodeHub is an iOS application written using Xamarin
PowerShell for every system!
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
Launcher for Windows, an alternative to Alfred and Launchy.
Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit
.NET debugger and assembly editor
Cross-platform .NET sample microservices and container based application that runs on Linux Windows and macOS. Powered by .NET Core 3.0, Docker Containers and Azure Kubernetes Services. Supports Visual Studio, VS for Mac and CLI based environments with Docker CLI, dotnet CLI, VS Code or any other code editor.
Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics
FlatBuffers: Memory Efficient Serialization Library
ShareX is a free and open source program that lets you capture or record any area of your screen and share it with a single press of a key. It also allows uploading images, text or other types of files to many supported destinations you can choose from.
The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
Awesome Dotnet Core
🐝 A collection of awesome .NET core libraries, tools, frameworks and software
Dapper - a simple object mapper for .Net
🎬 ScreenToGif allows you to record a selected area of your screen, edit and save it as a gif or video.
CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
Google's Material Design in XAML & WPF, for C# & VB.Net.
Avalonia is a cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows via .NET Framework and .NET Core, Linux via Xorg, macOS
Unity Machine Learning Agents Toolkit
EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.
ASP.NET Boilerplate - Web Application Framework
Mono open source ECMA CLI, C# and .NET implementation.
Sample cloud-native application with 10 microservices showcasing Kubernetes, Istio, gRPC and OpenCensus.
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
The Free Software Media System
Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.
Json.NET is a popular high-performance JSON framework for .NET
Incredibly simple real-time web for .NET
Documentation for ASP.NET Core
A convention-based object-object mapper in .NET.
Simple REST and HTTP API Client for .NET
.NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework
A Terminal Emulator based on UWP and web technologies.
A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.
OpenID Connect and OAuth 2.0 Framework for ASP.NET Core
mal - Make a Lisp
ML.NET is an open source and cross-platform machine learning framework for .NET.
Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono
One framework for creating powerful cross-platform games.
Unity C# reference source code
Orleans is a cross-platform framework for building distributed applications with .NET
Bring macOS “Quick Look” feature to Windows
Chocolatey - the package manager for Windows
微信公众平台SDK Senparc.Weixin for C#，支持.NET Framework及.NET Core。已支持微信公众号、小程序、小游戏、企业号、企业微信、开放平台、微信支付、JSSDK、微信周边等全平台。 WeChat SDK for C#.
Game network accelerator. Support Socks5, Shadowsocks, ShadowsocksR, Trojan, VMess, VLess proxies. UDP NAT FullCone
The official repo for the design of the C# programming language
The core infrastructure backend (API, database, Docker, etc).
An easy way to perform background job processing in your .NET and .NET Core applications. No Windows Service or separate process required
Experience, Learn and Code the latest breakthrough innovations with Microsoft AI
A hex editor for WeChat/QQ/TIM - PC版微信/QQ/TIM防撤回补丁（我已经看到了，撤回也没用了）
C# application with primary purpose of idling Steam cards from multiple accounts simultaneously.
Powerful .NET library for benchmarking
An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.
Smart PVR for newsgroup and bittorrent users.
[Archived] ASP.NET Core MVC is a model view controller framework for building dynamic web sites with clean separation of concerns, including the merged MVC, Web API, and Web Pages w/ Razor. Project moved to https://github.com/aspnet/AspNetCore
A popular .NET validation library for building strongly-typed validation rules.
.NET core API Gateway
rhythm is just a *click* away!
Simple, unambitious mediator implementation in .NET
An installation and update framework for Windows desktop apps
Store securely encrypted backups in the cloud!
The most popular open-source eCommerce shopping cart solution based on ASP.NET Core
LiteDB - A .NET NoSQL Document Store in a single data file - https://www.litedb.org
A starting point for Clean Architecture with ASP.NET Core
Virtual File System for Git: Enable Git at Enterprise Scale
Yet Another System Region and Language Simulator
Git Extensions is a standalone UI tool for managing git repositories. It also integrates with Windows Explorer and Microsoft Visual Studio (2015/2017/2019).
Practical samples of aspnet core 2.1, 2.2, 3.1 and 5.0 RC 2 projects you can use. Readme contains explanations on all projects.
A simple Blockchain in Python
Sample ASP.NET Core 3.1 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.
Docker images and test runners that replicate the live AWS Lambda environment
Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities
Capture Screen, Audio, Cursor, Mouse Clicks and Keystrokes
:electron: Build cross platform desktop apps with ASP.NET Core (Razor Pages, MVC, Blazor).
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
Xamarin.Forms Official Home
API Support for your favorite torrent trackers.
Open Source Web Application Framework for ASP.NET Core
AssetStudio is a tool for exploring, extracting and exporting assets and assetbundles.
Thoughtfully architected, obscenely fast, thoroughly enjoyable web services for all
A wrapper executable that can run any executable as a Windows service, in a permissive license.
NLog - Advanced and Structured Logging for Various .NET Platforms
WPF is a .NET Core UI framework for building Windows desktop applications.
mRemoteNG is the next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager.
Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
.NET deobfuscator and unpacker.
Reactive Extensions for Unity
The Reactive Extensions for .NET
A fork of Sonarr to work with movies à la Couchpotato.
Orchard Core is an open-source modular and multi-tenant application framework built with ASP.NET Core, and a content management system (CMS) built on top of that application framework.
Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows.
Console-based user interface toolkit for .NET applications.
Simple, flexible, interactive & powerful charts, maps and gauges for .Net
General purpose redis client
GraphQL for .NET
The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.
Full ASP.NET Core 3.1 application with DDD, CQRS and Event Sourcing concepts
1-100 of 11,124 projects