.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 Current releases. LTS releases are supported for at least three years. Current releases provide the latest bits for early adopters but require an upgrade within three months after a new release becomes available.
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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

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Explore the top developer features in RHEL 9.7 that enhance the developer...

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Discover the RHEL 10.1 new features and updates, designed to improve the...

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Nov 12, 2025

New in MicroShift 4.20: The generic device plug-in

Daniel Froehlich +1

Learn how to access generic devices like cameras and serial ports from inside...

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Learn about the libdwfl_stacktrace initiative for the elfutils project and...

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Learn how to install and use new MCP plug-ins for Red Hat Developer Hub that...

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Learn how to develop Red Hat Enterprise Linux applications using Toolbx and...

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Learn how to containerize and operate Request Tracker using Podman quadlets....

Article Featured image for: SCTP over UDP in the Linux kernel.
Nov 03, 2025

Using eBPF to attribute packet drops to netfilter rules

Toke Høiland-Jørgensen

Learn how to use eBPF to identify which Netfilter rule caused a packet drop...