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This article was published on April 3, 2014

Microsoft open sources .NET compiler platform “Roslyn” and announces open source .NET Foundation initiative

Microsoft open sources .NET compiler platform “Roslyn” and announces open source .NET Foundation initiative Image by: Justin Sullivan
Emil Protalinski
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Emil Protalinski

Emil was a reporter for The Next Web between 2012 and 2014. Over the years, he has covered the tech industry for multiple publications, incl Emil was a reporter for The Next Web between 2012 and 2014. Over the years, he has covered the tech industry for multiple publications, including Ars Technica, Neowin, TechSpot, ZDNet, and CNET. Stay in touch via Facebook, Twitter, and Google+.

At its Build 2014 conference today, Microsoft announced it is open sourcing its .NET compiler platform “Roslyn” – and then did exactly that, live on stage. Microsoft’s Anders Hejlsberg hit the button to make the project public on Codeplex.

For those who don’t know, Roslyn is a set of APIs for exposing the Microsoft C# and Visual Basic .NET compilers as services available at runtime. It includes versions of the C# and VB.NET compilers written in the languages themselves; in other words, the compilers are available via the traditional command-line programs, as well as APIs available natively from within .NET code.

Roslyn is integrated in the latest version of Visual Studio. A developer preview was first released back in October 2011.

comingsoon

Scott Guthrie, Executive Vice President of Cloud and Enterprise, announced the decision today is part of a broader initiative called .NET Foundation, the company’s move to open source multiple .NET components. There are 24 .NET open source projects to start, most of which are under the Apache 2.0 license.

Image Credit: Justin Sullivan/Getty Images

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