C#

C# (pronounced "C sharp") is a simple, modern, object-oriented, and type-safe programming language.

Its roots in the C family of languages makes C# immediately familiar to C, C++, and Java programmers.

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Created by Anders Hejlsberg
Released January 2002

Repositories 18,842

dotnet / corefx

16.4k

CoreFX is the foundational class libraries for .NET Core. It includes types for collections, file systems, console, J…

corefx coreclr microsoft csharp dotnet dotnet-core dotnetcore

Good first issues

Consider eliminating global.json merge conflicts

easy area-Infrastructure

#36846 opened 21 days ago by sdmaclea

Move important information from Wiki to Docs

easy area-Infrastructure

#36057 opened about 2 months ago by wtgodbe

BinaryFormatter.Deserialize throws many unexpected exceptions

easy area-System.Runtime

#35491 opened 2 months ago by Metalnem

C# Updated May 4, 2019

Microsoft / calculator

16.2k

Windows Calculator: A simple yet powerful calculator that ships with Windows

uwp windows windows-10 xaml cpp csharp

Good first issues

Define 'Whimsical' terminology

Documentation

#120 opened about 2 months ago by JustinKaffenberger

C++ Updated May 2, 2019

mxgmn / WaveFunctionCollapse

11.7k

Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics.

procedural-generation machine-learning gamedev algorithm csharp wfc

C# Updated Mar 22, 2019

dotnet / roslyn

11.3k

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

roslyn visual-basic visual-studio csharp

Good first issues

SymbolFinder.FindImplementedInterfaceMembersAsync documentation is confusing and inaccurate

Documentation Area-IDE

#34588 opened about 1 month ago by Stevie-O

help message for langversion isn't updated

Documentation Area-Compilers

#33821 opened 2 months ago by ufcpp

Broken link language feature doc

Documentation Area-Compilers

#33716 opened 2 months ago by CronosTs

C# Updated May 4, 2019

ShareX / ShareX

10k

ShareX is a free and open source program that lets you capture or record any area of your screen and share it with a …

C# Updated May 3, 2019

quozd / awesome-dotnet

9.1k

A collection of awesome .NET libraries, tools, frameworks and software

dotnet awesome awesome-list csharp fsharp clr

Updated May 4, 2019

thangchung / awesome-dotnet-core

8.7k

🐝 A collection of awesome .NET core libraries, tools, frameworks and software

dotnet-core awesome-list csharp microsoft awesome list

C# Updated Apr 27, 2019

mono / mono

7.8k

Mono open source ECMA CLI, C# and .NET implementation.

xamarin android ios dotnet garbage-collector runtime jit csharp

Good first issues

[class-init] Remove special handling of TypedReference and RuntimeArgumentHandle

good first issue area-Runtime: Metadata

#11959 opened 5 months ago by lambdageek

Winform crash on Linux with last version 5.16.0.179

good first issue area-BCL: System.Windows.Forms

#11093 opened 7 months ago by JTrotta

[debugger-agent] Process model / stepping docs need improvement

documentation area-Debugger

#13095 opened 2 months ago by alexanderkyte

C# Updated May 4, 2019

MonoGame / MonoGame

5.8k

One framework for creating powerful cross-platform games.

xna monogame game-framework gamedev csharp cross-platform open-source graphics game-engine dotnet

Good first issues

Error with BoundingSphere.Intersects(BoundingBox)

Good First Issue Help Wanted

#6336 opened 11 months ago by delgadobosso

Document system requirements for SDK and runtime

Documentation

#6580 opened 5 months ago by Jjagg

Error in BoundingBox.Contains(BoundingFrustum)

Good First Issue Help Wanted

#6298 opened about 1 year ago by Apostolique

C# Updated May 3, 2019

TommyLemon / APIJSON

5.8k

🚀A JSON Transmission Protocol and an ORM Library for auto providing APIs and Documents.

ios-swift vuejs2 springboot fastjson csharp dotnet postgresql-database mysql-server oracle typescript2 tidb python3

Java Updated May 4, 2019

Microsoft / botframework-sdk

5.6k

Bot Builder provides the most comprehensive experience for building conversation applications

bot microsoft-bot-framework sdk bot-builder bot-framework nodejs csharp

Good first issues

DCR: As a developer, I would like to see some documentation to understand how to use TestAdapter and the Fakes provided by the framework so I can write unit tests for my bot

documentation 4.5

#5363 opened 25 days ago by gabog

Roff Updated May 4, 2019

antlr / antlr4

5.6k

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or t…

parsing parser-generator antlr antlr4 java grammar python parse language-recognition javascript csharp swift cpp golang

Java Updated May 4, 2019

Microsoft / ailab

4.8k

Experience, Learn and Code the latest breakthrough innovations with Microsoft AI

computer-vision custom-vision ocr ai azure-functions algorithms luis language-learning translation bing-search object-detection image-classification bot iot csharp javascript html5 dnn

C# Updated May 3, 2019

reactiveui / ReactiveUI

4.5k

An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired b…

reactiveui xamarin ios android uwp wpf winforms reactive-programming reactive-extensions functional-reactive-programming mvvm framework csharp first-timers xamarin-forms tizen dotnet sponsorship opencollective

Good first issues

Need to figure out how to use the new v7 version of ViewModelViewHost with Xamarin.Mac

documentation xamarin-mac

#1023 opened over 3 years ago by mteper

C# Updated Apr 30, 2019

Tencent / xLua

4.4k

xLua is a lua programming solution for C# ( Unity, .Net, Mono) , it supports android, ios, windows, linux, osx, etc.

lua unity unity3d csharp xlua

C Updated Apr 29, 2019

dotnet / csharplang

4.3k

The official repo for the design of the C# programming language

csharp language-design

C# Updated May 4, 2019

JustArchiNET / ArchiSteamFarm

3.9k

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

C# Updated May 1, 2019

FAQGURU / FAQGURU

3.7k

🎒

🚀

🎉 A list of interview questions. This repository is everything you need to prepare for your technical interview.

Updated Apr 30, 2019

bitwarden / server

3.1k

The core infrastructure backend (API, database, Docker, etc).

aspnetcore aspnet sql-server api sql csharp bitwarden dotnet-core dotnet docker signalr

C# Updated May 3, 2019

windows-toolkit / WindowsCommunityToolkit

3.1k

The Windows Community Toolkit is a collection of helper functions, custom controls, and app services. It simplifies a…

uwp-toolkit uwp windows-10 xaml csharp uwp-apps visual-studio windows-toolkit wpf winforms windows xaml-islands

C# Updated May 3, 2019

TheBerkin / rant

2.9k

Rant – The all-purpose procedural text library

C# Updated Feb 11, 2019

quicktype / quicktype

2.7k

Generate types and converters from JSON, Schema, and GraphQL

json typescript json-schema elm java swift graphql csharp cplusplus golang objective-c rust kotlin

Good first issues

Unhelpful error message when schema JSON is invalid

good first issue CLI

#1062 opened 8 months ago by schani

Option to use the JSON property names as the member names

good first issue

#1021 opened 9 months ago by schani

Incorrect filename in comment in TS output

good first issue TypeScript

#971 opened 10 months ago by schani

TypeScript Updated May 4, 2019

aalhour / C-Sharp-Algorithms

2.6k

📚

📈 Plug-and-play class-library project of standard Data Structures and Algorithms in C#

csharp algorithms data-structures graph graph-algorithms tree binary-trees algorithm

C# Updated May 4, 2019

umbraco / Umbraco-CMS

2.5k

The simple, flexible and friendly ASP.NET CMS used by more than 400.000 websites

umbraco-cms cms umbraco csharp

Good first issues

V8: I would like to use the umbraco confirm dialog for deleting a nested content entry

good first issue category/front-end

#5327 opened 11 days ago by nielslyngsoe

Search shadow-layer should be on top of the user-dialog

good first issue category/front-end

#5326 opened 11 days ago by nielslyngsoe

C# Updated May 3, 2019

RicoSuter / NSwag

2.5k

The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.

nswag swagger openapi codegen dotnet webapi aspnet aspnetcore angular aurelia typescript csharp

C# Updated May 3, 2019

jellyfin / jellyfin

2.4k

The Free Software Media System

jellyfin csharp dotnet dotnet-core

Good first issues

Replace all HTTP header name string literals with a structure similar to HeaderNames

good first issue backend

#1046 opened 2 months ago by EraYaN

Allow setting MusicBrainz server URL

good first issue feature

#1037 opened 2 months ago by LeoVerto

Get season pictures from tmdb

good first issue feature

#1034 opened 2 months ago by Darkcolth

C# Updated May 2, 2019

Unity-Technologies / EntityComponentSystemSamples

2.4k

Good first issues

cheatsheet, add one line to explain each type

documentation

#68 opened 7 months ago by laurentopia

C# Updated May 1, 2019

Azure / autorest

2.3k

OpenAPI (f.k.a Swagger) Specification code generator. Supports C#, PowerShell, Go, Java, Node.js, TypeScript, Python,…

swagger code-generator ruby csharp java golang python javascript node openapi rest-client

Good first issues

(C#) .NET ClientRuntime reference docs are not on docs.ms.com

documentation c#

#1097 opened almost 3 years ago by brjohnstmsft

TypeScript Updated Apr 26, 2019

migueldeicaza / gui.cs

2.3k

Console-based user interface toolkit for .NET applications.

csharp terminal gui toolkit dotnet curses

C# Updated May 2, 2019

AtomicGameEngine / AtomicGameEngine

2.2k

The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript

game-engine game-development javascript csharp typescript cplusplus android ios windows macos linux webgl

Good first issues

[Atomic Editor] Unusuable, sometimes crashing

good first issue difficulty: 1

#1640 opened over 1 year ago by mhfreund

[UI] Can't set cursor image

good first issue difficulty: 1

#1627 opened over 1 year ago by darrylryan

[UI] Turbobadger wishlist (in no particular order)

good first issue difficulty: 2

#1620 opened over 1 year ago by darrylryan

C++ Updated Mar 25, 2019

Learn about csharp

Repository: dotnet/csharplang
Website: docs.microsoft.com/dotnet/csharp
Wikipedia: Wikipedia

C#

Repositories 18,842

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Learn about csharp

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