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Best Open Source c sharp Libraries

A curated list of the most popular GitHub repositories tagged with c sharp. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1shadowsocks/shadowsocks-windows

A C# port of shadowsocks

59,243C#
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#2AvaloniaUI/Avalonia

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology

30,094C#
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#3google/flatbuffers

FlatBuffers: Memory Efficient Serialization Library

25,564C++
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#4icsharpcode/ILSpy

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

24,623C#
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#5CodeHubApp/CodeHub

CodeHub is an iOS application written using Xamarin

22,662C#
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#6microsoft/CNTK

Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit

17,612C++
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#7dotnet/efcore

EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

14,589C#
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#8duplicati/duplicati

Store securely encrypted backups in the cloud!

14,285C#
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#9abpframework/abp

Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.

14,163C#
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#10QuestPDF/QuestPDF

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.

13,821C#
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#11MonoGame/MonoGame

One framework for creating powerful cross-platform games.

13,182C#
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#12JustArchiNET/ArchiSteamFarm

C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

13,081C#
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#13dotnet/coreclr

CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.

12,777
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#14unoplatform/uno

Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-codebase apps from any IDE. Hot Reload included! 90m+ NuGet Downloads!!

9,830C#
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#15MahApps/MahApps.Metro

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

9,766C#
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#16quasar/Quasar

Remote Administration Tool for Windows

9,726C#
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#17studyzy/imewlconverter

”深蓝词库转换“ 一款开源免费的输入法词库转换程序

9,686C#
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#18egametang/ET

Unity3D Client And C# Server Framework

9,672C#
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#19bchavez/Bogus

:card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.

9,610C#
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#20reactiveui/refit

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.

9,397C#
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#21SignalR/SignalR

Incredibly simple real-time web for .NET

9,370C#
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#22StockSharp/StockSharp

Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins, and options).

9,152C#
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#23JeffreySu/WeiXinMPSDK

微信全平台 .NET SDK， Senparc.Weixin for C#，支持 .NET Framework 及 .NET Core、.NET 10.0。已支持微信公众号、小程序、小游戏、微信支付、企业微信/企业号、开放平台、JSSDK、微信周边等全平台。 WeChat SDK for C#.

8,817C#
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#24quartznet/quartznet

Quartz Enterprise Scheduler .NET

6,997C#
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#25atinfo/awesome-test-automation

A curated list of awesome test automation frameworks, tools, libraries, and software for different programming languages. Sponsored by https://zapple.tech and https://automated-testing.info

6,977
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#26PrismLibrary/Prism

Prism is a framework for building loosely coupled, maintainable, and testable XAML applications in WPF, Xamarin Forms, and Uno / Win UI Applications..

6,730C#
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#27jstedfast/MailKit

A cross-platform .NET library for IMAP, POP3, and SMTP.

6,729C#
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#28FlaxEngine/FlaxEngine

Flax Engine – multi-platform 3D game engine

6,627C#
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#29MessagePack-CSharp/MessagePack-CSharp

Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]

6,607C#
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#30NLog/NLog

NLog - Flexible and Structured Logging for various .NET Platforms

6,537C#
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