.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☆45,634Updated this week
- A modern file manager that helps users organize their files and folders.☆40,055Updated last week
- ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.☆37,380Updated this week
- A browser automation framework and ecosystem.☆33,639Updated this week
- Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology☆29,214Updated this week
- Pulumi - Infrastructure as Code in any programming language 🚀☆24,136Updated this week
- .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!☆24,024Updated this week
- .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.☆23,032Updated this week
- 🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。☆23,651Updated 6 months ago
- .NET news, announcements, release notes, and more!☆21,712Updated this week
- A collection of awesome .NET libraries, tools, frameworks and software☆20,776Updated 2 months ago
- Roadmap to becoming an ASP.NET Core developer in 2025☆19,436Updated last month
- 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☆17,562Updated 2 years ago
- Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10☆17,702Updated this week
- Bitwarden infrastructure/backend (API, database, Docker, etc).☆17,406Updated this week
- A framework for building native Windows apps with React.☆17,079Updated this week
- .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.☆17,125Updated 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…☆16,125Updated this week
- Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows…☆15,962Updated 2 weeks ago
- Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker…☆14,029Updated this week
- A wrapper executable that can run any executable as a Windows service, in a permissive license.☆13,405Updated last year
- CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.☆12,787Updated 2 years ago
- Full Modular Monolith application with Domain-Driven Design approach.☆13,041Updated last year
- One framework for creating powerful cross-platform games.☆12,705Updated this week
- C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.☆12,642Updated this week
- ASP.NET Boilerplate - Web Application Framework☆11,979Updated 2 months ago
- This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.☆12,040Updated 2 years ago
- Mono open source ECMA CLI, C# and .NET implementation.☆11,401Updated last year
- Powerful .NET library for benchmarking☆11,253Updated this week
- 🏞 A lightweight, versatile image viewer☆11,586Updated this week
- A .NET library that makes it easier to create beautiful console applications.☆10,830Updated last week
- Cloud Native application framework for .NET☆10,588Updated this week
- Capture Screen, Audio, Cursor, Mouse Clicks and Keystrokes☆10,443Updated 2 years ago
- Cross Platform Terminal UI toolkit for .NET☆10,417Updated 2 weeks ago
- Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, a…☆10,274Updated last week
- An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required☆9,908Updated last week
- ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.☆9,848Updated this week
- Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-cod…☆9,697Updated this week
- Remote Administration Tool for Windows☆9,578Updated last year
- Unity3D Client And C# Server Framework☆9,538Updated 2 weeks ago