C# is a versatile, object-oriented programming language developed by Microsoft as part of the .NET framework. It is designed to be simple and easy to use, promoting strong type-checking and a rich set of libraries, making it ideal for developing a wide range of applications, from desktop to mobile to web-based solutions. C# supports modern programming paradigms, including asynchronous programming, which enhances performance in applications with high I/O operations. Its integration with the .NET ecosystem provides robust tools, such as Visual Studio, for debugging and deployment. Additionally, C# is continually evolving, with frequent updates that introduce new features and improvements, such as records, pattern matching, and nullable reference types, ensuring that developers can write clean, efficient, and maintainable code. Whether you're building enterprise-level software, video games with Unity, or cloud services, C# offers a powerful and flexible platform for application development.
View the most prominent open source C# projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- The Free Software Media System - Server Backend & API☆46,258Updated this week
- A modern file manager that helps users organize their files and folders.☆40,544Updated last week
- 🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解☆35,220Updated this week
- ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It…☆34,651Updated last week
- Windows Calculator: A simple yet powerful calculator that ships with Windows☆30,749Updated 2 weeks ago
- A Swiss Army knife for developers.☆30,500Updated last month
- Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology☆29,424Updated this week
- Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics☆24,463Updated last week
- Pulumi - Infrastructure as Code in any programming language 🚀☆24,256Updated this week
- 🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。☆23,873Updated 7 months ago
- A collection of awesome .NET core libraries, tools, frameworks and software☆20,947Updated 8 months ago
- A collection of awesome .NET libraries, tools, frameworks and software☆20,851Updated 2 months ago
- The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.☆20,045Updated last week
- Roadmap to becoming an ASP.NET Core developer in 2025☆19,464Updated 2 months ago
- ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structure…☆18,542Updated 2 weeks ago
- PEASS - Privilege Escalation Awesome Scripts SUITE (with colors)☆18,861Updated this week
- This repo is used for servicing PR's for .NET Core 2.1 and 3.1. Please visit us at https://github.com/dotnet/runtime☆17,557Updated 2 years ago
- Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10☆17,775Updated 2 weeks ago
- Bitwarden infrastructure/backend (API, database, Docker, etc).☆17,554Updated this week
- Free and open-source software that allows users to set animated desktop wallpapers and screensavers powered by WinUI 3.☆17,688Updated last week
- Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and Open…☆16,194Updated this week
- Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows…☆15,975Updated last week
- Um guia extenso de informações com um vasto conteúdo de várias áreas para ajudar, agregar conhecimento e retirar dúvidas, nesse guia você…☆15,439Updated last year
- Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with be…☆13,991Updated this week
- Generate types and converters from JSON, Schema, and GraphQL☆13,471Updated last month
- A wrapper executable that can run any executable as a Windows service, in a permissive license.☆13,481Updated last year
- One framework for creating powerful cross-platform games.☆12,754Updated last week
- C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.☆12,699Updated this week
- The official repo for the design of the C# programming language☆12,380Updated this week
- ASP.NET Boilerplate - Web Application Framework☆11,981Updated last week
- Mono open source ECMA CLI, C# and .NET implementation.☆11,402Updated last year
- Video game library manager with support for wide range of 3rd party libraries and game emulation support, providing one unified interface…☆11,964Updated this week
- Powerful .NET library for benchmarking☆11,284Updated this week
- A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for cust…☆11,178Updated this week
- 🏞 A lightweight, versatile image viewer☆11,716Updated 2 weeks ago
- Apache Thrift☆10,842Updated this week
- A distributed transaction framework, supports workflow, saga, tcc, xa, 2-phase message, outbox patterns, supports many languages.☆10,737Updated 7 months ago
- A rewrite of the old legacy software "depends.exe" in C# for Windows devs to troubleshoot dll load dependencies issues.☆10,857Updated last year
- Cross Platform Terminal UI toolkit for .NET☆10,494Updated this week
- xLua is a lua programming solution for C# ( Unity, .Net, Mono) , it supports android, ios, windows, linux, osx, etc.☆9,929Updated 2 weeks ago