.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☆40,692Updated this week
- A modern file manager that helps users organize their files and folders.☆37,500Updated this week
- ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.☆36,750Updated this week
- A browser automation framework and ecosystem.☆32,542Updated this week
- Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology☆27,873Updated this week
- Pulumi - Infrastructure as Code in any programming language 🚀☆23,248Updated this week
- .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!☆23,090Updated this week
- .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.☆22,724Updated this week
- 🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。☆22,305Updated last month
- .NET news, announcements, release notes, and more!☆21,434Updated this week
- A collection of awesome .NET libraries, tools, frameworks and software☆20,233Updated 2 weeks ago
- Roadmap to becoming an ASP.NET Core developer in 2025☆19,211Updated 5 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☆17,607Updated 2 years ago
- Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 9☆17,135Updated last month
- A framework for building native Windows apps with React.☆16,873Updated this week
- Bitwarden infrastructure/backend (API, database, Docker, etc).☆16,655Updated this week
- .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.☆16,524Updated this week
- Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows…☆15,692Updated 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…☆15,659Updated this week
- Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker…☆13,814Updated this week
- A wrapper executable that can run any executable as a Windows service, in a permissive license.☆12,967Updated last year
- CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.☆12,800Updated 2 years ago
- One framework for creating powerful cross-platform games.☆12,200Updated this week
- Full Modular Monolith application with Domain-Driven Design approach.☆12,209Updated last year
- C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.☆12,085Updated this week
- ASP.NET Boilerplate - Web Application Framework☆11,928Updated 3 weeks ago
- This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.☆11,697Updated last year
- Mono open source ECMA CLI, C# and .NET implementation.☆11,302Updated 9 months ago
- Powerful .NET library for benchmarking☆11,019Updated this week
- Cloud Native application framework for .NET☆10,406Updated this week
- Capture Screen, Audio, Cursor, Mouse Clicks and Keystrokes☆10,240Updated 2 years ago
- 🏞 A lightweight, versatile image viewer☆10,482Updated 3 weeks ago
- A .NET library that makes it easier to create beautiful console applications.☆10,312Updated this week
- Cross Platform Terminal UI toolkit for .NET☆10,148Updated this week
- Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, a…☆10,044Updated this week
- An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required☆9,723Updated this week
- ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.☆9,654Updated this week
- Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-cod…☆9,443Updated this week
- A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.☆9,299Updated 2 months ago
- Unity3D Client And C# Server Framework☆9,309Updated 2 weeks ago