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.NET Core
Developer(s) .NET Foundation
Stable release
RC1 / November 18, 2015; 20 months ago (2015-11-18)[1]
Written in C++ and C#
Operating system Windows, Linux, OS X, FreeBSD
Platform Cross-platform
Type Software framework
License MIT License[2]

.NET Core is a free and open-source software[3] implementation of the Common Language Infrastructure (CLI), developed by the .NET_Foundation.[4] It is a fork of the proprietary .NET Framework,[5] but it has been modified to be more modular and cross-platform. It consists of CoreCLR runtime, an implementation of the Common Language Runtime (CLR), and CoreFX framework libraries, a partial implementation of the Base Class Library (BCL). Additionally, it comes with an improved JIT compiler, called RyuJIT.[6] The .NET Compiler Platform (codenamed "Roslyn") and LLILC compiler are sister projects that support .NET Core.[7][8]

The main goal of the project is "to create a modular, performant and cross-platform execution environment for modern applications".[7] The project is hosted at GitHub.[9]




Comparison to other implementations[edit]

.NET Framework[edit]



.NET Core, CoreCLR and CoreFX are licensed under the liberal MIT License. Additionally, the project is covered by a patent promise by Microsoft.

See also[edit]


  1. ^ "core/". GitHub. 
  2. ^ "core/LICENSE". GitHub.  Retrieved 2015-02-14.
  3. ^ Windows 10; Windows; Adobe; Microsoft; Google; source, Microsoft releases Windows Live Writer as open; live, Microsoft's full-fat E5 Office 365 plan with phone extras goes; Microsoft Office 365, Azure portals offline for many users in Europe. "Why Microsoft's .NET Core is the future of its development platform". Retrieved 2016-02-02. 
  4. ^ ".NET Foundation". Retrieved 2016-02-02. 
  5. ^ "Introducing .NET Core".  Retrieved 2015-02-14.
  6. ^ "CoreCLR is now Open Source".  Retrieved 2014-02-14
  7. ^ a b "About .NET Core". Retrieved 2016-02-02. 
  8. ^ "Overview of .NET Core". Retrieved 2016-02-02. 
  9. ^ ".NET Foundation on GitHub". 

External links[edit]