.NET Core

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soma-microsoft-inline32.NET Core is Open Source

Today is a huge day for .NET! We’re happy to announce that .NET Core will be open source, including the runtime as well as the framework libraries.

This is a natural progression of our open source efforts, which already covers the managed compilers (C#, VB, and F#) as well as ASP.NET:

  • C# & Visual Basic (“Roslyn”)
  • Visual F# Tools
  • ASP.NET 5
  • Entity Framework

 

This takes it to the next level by extending it to the .NET runtime and the core framework.

  • .NET Core Framework

What is .NET Core?

.NET Core is a modular development stack that is the foundation of all future .NET platforms It’s already used by ASP.NET 5 and .NET Native. I’ll go into more detail on what NET Core is and how it relates to the NET Framework in a following blog post.

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Why do we open source .NET Core?

There are two big reasons why we decided to open source .NET Core:

  1. Lay the foundation for a cross platform .NET
  2. Build and leverage a stronger ecosystem

Let me go into more detail.

Lay the foundation for a cross platform .NET

As a .NET developer you were able to build & run code on more than just Windows for a while now, including Linux, MacOS, iOs and Android.

The challenge is that the Windows implementation has one code base while Mono has a completely separate code base. The Mono community was essentially forced to re-implement .NET because no open source implementation was available. Sure, the source code was available since Rotor but we didn’t use an OSI approved open source license, which made Rotora non-starter. Customers have reported various mismatches, which are hard to fix because neither side can look at the code of the other side. This also results in a lot of duplicated work in areas that aren’t actually platform specific. A recent example is immutable collections.

The best way to build a cross-platform stack is to build a single stack, in a collaborative manner. And the best way to do exactly that is by open sourcing it.

.NET Foundation

The .NET Core project is under the stewardship of the .NET Foundation. We believe that to be a critical part in promoting and advancing the .NET Core stack. We’re closely working with Miguel de Icaza from Xamarin/Mono in order to create a shared code base that can become a cross-platform implementation of .NET Core.

Today, only a subset of the libraries are available on GitHub:

  • Immutable Collections
  • SIMD
  • Assembly Metadata Reader
  • XDocument
  • XmlDocument

These are areas we’re working on:

  • More libraries. Consider the subset we have today a down-payment on what is to come. Our goal is to open source the entire .NET Core library stack by Build 2015.
  • Building and running on non-Windows platforms. We currently only provide the ability to build and run on Windows. We intend to build a public working group between us and the Mono community once we have enough code out there.
  • .NET Core Runtime (CoreCLR). We’re currently figuring out the plan for open sourcing the runtime. Stay tuned!

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For more details and queries please feel free to email, visit or call us. Wishing you the very best for all your future endeavors.
Helpline: 9814666333, 8699444666
Email: info@technocampus.co.in

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