.NET is a versatile and powerful open-source developer platform created by Microsoft that supports building applications for various environments, including web, mobile, desktop, gaming, and IoT. Its core framework facilitates the development of applications using languages like C#, F#, and Visual Basic, offering robust libraries and runtime components that enhance productivity and performance. Application developers benefit from .NET’s ability to streamline cross-platform development with its unification of platforms through .NET Core, ensuring that their applications can run seamlessly on major operating systems such as Windows, macOS, and Linux. Additionally, tools like Visual Studio and Visual Studio Code optimize the development workflow with advanced debugging, testing, and deployment capabilities. .NET’s strong community support, continuous updates, and integration with cloud services make it a reliable choice for developers aiming to build secure, scalable, and efficient applications.
View the most prominent open source .NET 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☆47,862Updated last week
- A modern file manager that helps users organize their files and folders.☆41,411Updated this week
- ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.☆37,611Updated last week
- A browser automation framework and ecosystem.☆33,931Updated this week
- Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology☆29,879Updated this week
- Pulumi - Infrastructure as Code in any programming language 🚀☆24,550Updated last week
- .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!☆24,453Updated 3 weeks ago
- .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.☆23,147Updated last week
- 🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。☆24,355Updated 8 months ago
- .NET news, announcements, release notes, and more!☆21,845Updated last week
- A collection of awesome .NET libraries, tools, frameworks and software☆21,034Updated 4 months ago
- Roadmap to becoming an ASP.NET Core developer in 2025☆19,508Updated 4 months ago
- 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☆17,545Updated 3 years ago
- Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10☆17,911Updated 2 weeks ago
- Bitwarden infrastructure/backend (API, database, Docker, etc).☆17,933Updated this week
- A framework for building native Windows apps with React.☆17,153Updated this week
- .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.☆17,426Updated this 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…☆16,347Updated last week
- Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows…☆16,006Updated this week
- Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker…☆14,102Updated this week
- A wrapper executable that can run any executable as a Windows service, in a permissive license.☆13,649Updated this week
- CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.☆12,781Updated 3 years ago
- Full Modular Monolith application with Domain-Driven Design approach.☆13,295Updated last year
- One framework for creating powerful cross-platform games.☆13,080Updated last week
- C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.☆13,003Updated this week
- ASP.NET Boilerplate - Web Application Framework☆11,994Updated this week
- This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.☆12,135Updated 2 years ago
- Mono open source ECMA CLI, C# and .NET implementation.☆11,419Updated last year
- Powerful .NET library for benchmarking☆11,332Updated this week
- 🏞 A lightweight, versatile image viewer☆12,061Updated 2 weeks ago
- A .NET library that makes it easier to create beautiful console applications.☆11,098Updated this week
- Cloud Native application framework for .NET☆10,684Updated this week
- Capture Screen, Audio, Cursor, Mouse Clicks and Keystrokes☆10,550Updated 2 years ago
- Cross Platform Terminal UI toolkit for .NET☆10,668Updated this week
- Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, a…☆10,344Updated this week
- An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required☆9,984Updated 3 weeks ago
- ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.☆9,946Updated this week
- Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-cod…☆9,789Updated this week
- Remote Administration Tool for Windows☆9,696Updated last year
- Unity3D Client And C# Server Framework☆9,647Updated 3 weeks ago