.NET

Runtimes and APIs for building and running .NET applications on Linux and in containers.

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.NET is open source

.NET is an open source development platform. Developers can use .NET to build cross-platform cloud and console applications that run on Linux and Windows.

Supported

Long-term support

.NET Releases are either Long Term Support (LTS) or Standard Term Support (STS). LTS releases are supported for three years. STS releases are supported for two years.
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Up-to-date

Red Hat works with Microsoft to ensure new major versions and service releases are available in tandem with Microsoft releases.
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Cross-platform applications

.NET supports building console and web applications for Windows, Linux, and macOS.
Microservices

Microservice development

.NET comes with the ASP.NET Core framework for building modern web applications. To facilitate deploying .NET applications on container platforms, such as Red Hat OpenShift and Kubernetes, Red Hat provides .NET container images.
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Performance

Performance is a first-class goal of .NET. Each release has improved performance, making .NET one of the fastest application platforms.
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Open source

.NET is developed by Microsoft and the .NET community in the open. All source is available under open source licenses including class libraries, runtimes, compilers, and the ASP.NET Core web framework. .NET has many active OSS contributors. Red Hat actively contributes to improve .NET on Linux and in Linux containers.

.NET in the developer community

.NET blog

Microsoft .NET blog

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ASP.NET blog

Microsoft ASP.NET blog

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Red Hat Developer blog

Red Hat .NET blog posts

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.NET community standups

Weekly live shows hosted by the .NET team about what's happening across .NET. Full of community content, demos, and live Q&A.

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On .NET

Microsoft Channel 9 show about APIs, the tooling, and some of the interesting projects being created in the .NET ecosystem.

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The .NET Foundation

Independent organization that foster open development and collaboration around the .NET ecosystem.

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Latest .NET articles

Article $ dotnet run
Apr 28, 2026

Build .NET container images with Tekton

Tom Deseyn

Learn how to build and push .NET container images in Tekton pipelines without...

Article Featured images for .NET topics.

Discover how to build and deploy .NET application images as systemd services...

Article Featured images for .NET topics.

This article discusses the advantages of Red Hat's .NET container images and...

Article Featured images for .NET topics.

Now .NET 10 is available for RHEL and OpenShift, bringing new features like...

Article containers
Aug 04, 2025

.NET container troubleshooting in OpenShift 4

Francisco De Melo Junior

Learn how to deploy .NET applications in OpenShift Container Platform 4,...

Article Featured image for .NET
Apr 21, 2025

Some more C# 13

Tom Deseyn

Learn more about the new advanced features of C# 13 (part 2 of 2).

Article Featured images for .NET topics.
Apr 16, 2025

C# 13

Tom Deseyn

Discover the new features of C# 13 (part 1 of 2).

Article A code editor with four icons symbolizing DevOps, developers, a gear, and a cluster.
Nov 15, 2024

.NET 9 now available for RHEL and OpenShift

John Clingan +1

The .NET 9 release is now available, targeting Red Hat Enterprise Linux...