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https://github.com/sirredbeard/microsoft-opensource

An unofficial timeline of Microsoft's transition towards open source
https://github.com/sirredbeard/microsoft-opensource

acktoberfest-accepted history microsoft opensource technology

Last synced: 25 days ago
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An unofficial timeline of Microsoft's transition towards open source

Host: GitHub
URL: https://github.com/sirredbeard/microsoft-opensource
Owner: sirredbeard
License: gpl-3.0
Created: 2020-05-23T06:00:37.000Z (over 4 years ago)
Default Branch: main
Last Pushed: 2023-03-17T16:48:33.000Z (almost 2 years ago)
Last Synced: 2025-01-02T07:53:48.087Z (26 days ago)
Topics: acktoberfest-accepted, history, microsoft, opensource, technology
Homepage:
Size: 232 KB
Stars: 90
Watchers: 10
Forks: 12
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE

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README

# Microsoft and Open Source

This is an unofficial timeline of Microsoft's transition towards open source.

* [Timeline](https://github.com/sirredbeard/microsoft-opensource#timeline)
* [Known Open Source Collaborations](https://github.com/sirredbeard/microsoft-opensource#known-open-source-collaborations)
* [Select Open Source Projects](https://github.com/sirredbeard/microsoft-opensource#select-open-source-projects)
* [More Open Source at Microsoft](https://github.com/sirredbeard/microsoft-opensource#more-open-source-at-microsoft)
* [Historic Contributions](https://github.com/sirredbeard/microsoft-opensource#historic-open-source-contributions)

This project is not endorsed by Microsoft or any company or project mentioned here.

This listing could not possibly be complete, so please open PRs with any additions.

## Timeline

* Microsoft begins experimenting with 'shared source', including SSCLI, the core of .NET

### 2004

* WiX, the first project from Microsoft under an OSI approved license, is released
* Begins cross-licensing software patents with Linux vendors

### 2005

* F# released under the Apache 2.0 license

### 2006

* CodePlex announced
* Ports PHP to Windows, upstreams code under PHP license
* Partners with Novell to improve open source interoperability

### 2007

* Open Source Initiative approves the Microsoft Public License (MS-PL) and Microsoft Reciprocal License (MS-RL)
* Provides access to Windows NT kernel source for research to universities
* Open sources IronRuby and IronPython under Microsoft Public License
* Open sources xunit under Microsoft Public License
* Reaches agreement with EU to reduce costs of licensing patents and specifications
* Scheduled to exit US DOJ antitrust oversight, voluntarily agrees to extended oversight

### 2008

* Forms Open Web Foundation with Google, Facebook, Sun, IBM, Apache, and others
* Joins Apache Software Foundation
* Releases source for Singularity, an experimental OS to CodePlex
* Begins distributing the open source jQuery JavaScript library with Visual Studio
* Acquires Powerset, it's first open source acquisition, upstreams code from HBase to Apache Hadoop
* [Open sources](https://web.archive.org/web/20110702223926/http://codebetter.com/glennblock/2008/10/02/mef-going-ms-pl-the-little-engine-that-could/) Managed Extensibility Framework (MEF) under Microsoft Public License, one of the first bits of the .NET framework to be open sourced

### 2009

* Begins contributing to Linux kernel
* Forms independent CodePlex Foundation, later known as Outercurve Foundation to promote open source
* Open sources ASP.NET MVC under the Microsoft Public License
* Apologizes after download is found to have GPL code, properly open sources download
* Promises not to enforce patents against open source implementations of C#, e.g. Mono
* Settles a dispute with TomTom over FAT32 software patents, avoiding further conflict with open source
* Reaches agreement with EU to provide users a choice of web browsers on Windows installation
* Platform Strategy Group begins an internal push for embracing open source
* "Burning the Ships: Transforming Your Company's Culture Through Intellectual Property Strategy" is published on Microsoft's embrace of open collaboration
* 📺 [Microsoft's Ray Ozzie on IP and Open Source](https://www.youtube.com/watch?v=hGNmGd9lT9I)
* 📰 "Has Microsoft lost its war on open source?" [InfoWorld](https://www.infoworld.com/article/2631997/has-microsoft-lost-its-war-on-open-source-.html)

### 2010

* Signs Joomla! Contributor Agreement and upstreams improvements
* Relicenses IronRuby and IronPython under Apache 2.0
* 📰 "Microsoft: 'We love open source'" [Network World](https://www.networkworld.com/article/2216878/microsoft---we-love-open-source-.html)
* 📺[OpenSource & Microsoft: Beyond Interoperability](https://www.youtube.com/watch?v=ZYioK5hBwdY)
* MEF is incorporated into Mono

### 2011

* Acquires Skype, maintains Linux client
* Begins contributing code to Samba
* Exits antitrust oversight by US DOJ
* Ports Node.js to Windows, upstreams code under Apache 2.0
* "Microsoft Embraces Elephant of Open Source" [Wired](https://www.wired.com/2011/10/microsoft-and-hadoop/)

### 2012

* Azure begins hosting Linux virtual machines
* Codeplex supports git
* Begins contributing to git and collaborates with GitHub on LibGit2
* Ports Apache Hadoop to Windows, upstreams code under MIT
* Open sources ASP.NET (including MVC, Razor Pages, and Web API) under Apache 2.0
* Forms Microsoft Open Technologies, Inc.
* Releases TypeScript under Apache 2.0, first Microsoft project on GitHub
* Canonical closes [Ubuntu bug #1](https://fridge.ubuntu.com/2013/05/31/mark-shuttleworth-closes-ubuntu-bug-1/)
* 📺 [Microsoft, The Cloud and Open Source](https://www.youtube.com/watch?v=sunoAP8XKBY)
* 📰 "Microsoft opens up" [O'Reily](http://radar.oreilly.com/2012/04/microsoft-open-source.html)

### 2013

* Steve Ballmer resigns
* VM Depot announced, community-driven repository of Linux and BSD virtual machines for Azure
* Microsoft challenges broad US warrant for overseas e-mails and helps create a new law improving e-mail privacy
* Releases [Coding4Fun Toolkit](https://github.com/Coding4FunProjects/Coding4FunToolkit), a set of open source components for building Windows Phone applications
* xunit transferred to Outercurve Foundation, relicensed under Apache 2.0
* 📰 "Microsoft's Open Source Company Is a Year Old. But What Is It?" [Wired](https://www.wired.com/2013/04/microsoftopentech/)

### 2014

* Satya Nadella appointed CEO
* The full .NET stack, Microsoft's flagship development toolkit, is open sourced and contributed to .NET Foundation
* Creates official GitHub prescence
* Implements AllJoyn support in Windows, contributes code upstream
* Releases Wireless Display Adapter, Microsoft's first hardware device to use embedded Linux
* Contributes to OpenJDK
* 📺 "Microsoft loves Linux." - [Satya Nadella](https://www.youtube.com/watch?v=54hHr8ye2kE)
* 📰 "More open-source at Microsoft? You'd better believe it" [VentureBeat](https://venturebeat.com/2014/10/20/microsoft-open-source/)

### 2015

* Visual Studio Code released, releases Linux build
* Co-founds Node.js Foundation
* Joins R Foundation
* Forms Open Source Programs Office, tasked with enabling and normalizing open source across the company
* Open sources Matter Center, Microsoft's legal practice management software
* Open sources Chakra, legacy Microsoft Edge’s JavaScript engine, and releases a build of Node.js with ChakraCore replacing V8 as the JS engine
* 📰 "How Open Source Is Shaping Microsoft's Future" [RedmondMag](https://redmondmag.com/articles/2015/09/01/changing--dna.aspx)

### 2016

* Windows Subsystem for Linux announced in partnership with Canonical
* Joins Linux Foundation
* Joins Eclipse Foundation
* Open sources PowerShell, releases Linux build
* Begins porting Sysinternals to Linux
* Acquires Xamarin, relicenses Mono under MIT
* Acquires LinkedIn, maintains Apache Kafka
* SQL Server released for Linux
* Begins hosting Linux Foundation courses on edX
* SONiC released, based on Debian GNU/Linux
* Begins opening Reactors worldwide for use by entrepreneurs and open source communities
* "The company has become an enthusiastic supporter of Linux and of open source and a very active member of many important projects." - Jim Zemlin, Executive Director of The Linux Foundation
* 📺 [Open Source at Microsoft](https://www.youtube.com/watch?v=54hHr8ye2kE) at Thailand Developer Day 2016
* 📰 "Why Microsoft is turning into an open-source company" [ZDNet](https://www.zdnet.com/article/why-microsoft-is-turning-into-an-open-source-company/)

### 2017

* Satya Nadella releases "Hit Refresh: The Quest to Rediscover Microsoft's Soul and Imagine a Better Future for Everyone" describing his vision for an open and collaborative Microsoft
* Joins Open Source Initiative
* Joins Cloud Native Computing Foundation
* Joins MariaDB Foundation
* Acquires Deis
* Open sources Git Virtual File System (GVFS), the work done moving Windows to git
* Opens Microsoft Store to open source applications
* Better privacy controls, privacy dashboard, and diagnostic data transparency introduced in Windows
* Announces Linux development with C++ in Visual Studio
* Gives keynote at Open Source Summit North America
* Moves Windows development to git
* Microsoft shuts down CodePlex ([announcement](https://devblogs.microsoft.com/bharry/shutting-down-codeplex/))
* 📺 [Microsoft Loves Open Source: Becoming The Largest Contributor](https://www.youtube.com/watch?v=LXu80xXwFY0) at GitHub Universe 2017
* 📰 "How Microsoft Is Shifting Focus to Open Source" [The New Stack](https://thenewstack.io/microsoft-shifting-emphasis-open-source/)

### 2018

* Joins Open Innovation Network, cross-licenses 60,000 patents with open source community
* Acquires GitHub
* "We are all in on open source." - Satya Nadella
* GitHub Actions is released, providing free CI/CD for open source projects
* Windows Subsystem for Linux 2 announced powered by Linux kernel
* Begins using Citus and PostgreSQL on Ubuntu to analyze telemetry from Windows test builds on employee devices
* PowerShell released as a snap
* OpenSSH included in Windows
* Provides official Ubuntu desktop images in Hyper-V on Windows
* Beings collaborating with Canonical on cloudinit
* Shifts their mobile application strategy to Android, begins contributing to Android developer ecosystem
* Windows Calculator released as open source
* Windows' File Manager `winfile` from Windows 3.0 released as open source based on the source code from Windows NT4
* 📺 [Building an Open Source Software Culture at Microsoft](https://www.youtube.com/watch?v=SNOHJf97uQU) at Open Source Summit Europe
* 📰 "Microsoft may be the world's largest open source contributor" [TechRepublic](https://www.techrepublic.com/article/microsoft-may-be-the-worlds-largest-open-source-contributor-but-developers-dont-yet-care/)

### 2019

* Visual Studio Code released as a snap
* GitHub announces GitHub Sponsors, lowers prices
* Edge browser released based on open source Chromium
* Linux surpasses Windows usage on Azure
* Begins adopting open source-style collaboration internally
* Teams released for Linux
* Acquires Citus Data, maintains open source project
* Joins OpenChain
* Admitted to Linux-distros security mailing list
* Creates Open Application Model with Alibaba Cloud as a Open Web Foundation project
* Creates Kubernetes-based Event-Driven Autoscaling (KEDA) with Red Hat as an application autoscaler for Kubernetes
* Releases new Windows Terminal and PowerToys as open source
* Published exFAT as open specification, contributes patents to OIN, and upstreams driver to Linux kernel
* Stores all public GitHub repos for 1,000 years in Svalbard, Norway
* Joins Unified Patents Open Source Zone to defend open source from patent trolls
* Announces Android-based smartphone, Surface Duo, with a Linux kernel
* Announces Microsoft Defender for Linux
* Open sources SPTAG, a crucial search algorithm used by Microsoft
* Open sources SandDance, a data visualization tool
* Open sources the Microsoft C++ Standard Library
* Open sources Interpret ML
* Open sources Quantum Development Kit, a quantum computing SDK
* Satya Nadella speaks at Red Hat Summit
* Richard Stallman speaks at Microsoft, states "we should not maintain a burning grudge over actions that ended years ago"
* Linus Torvalds quoted at Linux Plumbers Conference as saying Microsoft "have changed"
* JS Foundation and Node.js Foundation merge to form OpenJS Foundation, Microsoft contributes Electron to OpenJS Foundation
* 📺 Scott Hanselman gives [keynote at NDC London](https://www.youtube.com/watch?v=HUN1j9G1Py8) laying out Microsoft's open source vision
* 📰 "Microsoft: The open source company" [Ars Technica](https://arstechnica.com/gadgets/2019/05/microsoft-the-open-source-company/)

### 2020

* Acquires npm, the Node package manager
* Hosts WSLConf, the first conference dedicated to WSL
* Microsoft president Brad Smith admits Microsoft was wrong about open source
* Microsoft Edge browser on Linux seen at Microsoft Build
* Push improvements to Chromium upstream
* Releases open source Windows Package Manager '[winget](https://github.com/microsoft/winget-cli)'
* Releases [.NET for Apache Spark](https://devblogs.microsoft.com/dotnet/announcing-version-1-0-of-net-for-apache-spark/)
* Open sources a dataset to help fight COVID-19-related cybersecurity threats
* Open sources Java extension for SQL Server
* Open sources MSQuic, a Windows NT kernel library for QUIC
* Open sources Petridish, a neural architecture search algorithm for deep learning
* Open sources Project Rocket, a software stack to perform live video analysis by AI/ML
* Open sources Project Bonsai, a machine teaching service
* Open sources Application Inspector, cross-platform source code security analyzer
* Open sources TensorWatch, a debugging tool for AI and deep learning
* Open sources Project Verona, a memory-safe research language
* Open sources CLon12 and GLon12 projects, providing OpenCL and OpenGL support on Windows, based on the Mesa project
* Collaborates with Tigera to open source [Calico for Windows](https://cloudblogs.microsoft.com/opensource/2020/09/22/calico-for-windows-goes-open-source/), enabling Windows container network policy support
* Open sources [ONNX Runtime](https://microsoft.github.io/onnxruntime/), a cross-platform machine learning runtime used by Office 365, Visual Studio, and Bing
* Open sources [Akri](https://cloudblogs.microsoft.com/opensource/2020/10/20/announcing-akri-open-source-project-building-connected-edge-kubernetes/), a project that extends Kubernetes to leaf devices
* Open sources [Fluid Framework](https://developer.microsoft.com/en-us/microsoft-365/blogs/fluid-framework-is-now-open-source/), a set of libraries for enabling low-latency collaborative data sharing
* Open sources [Project OneFuzz](https://www.microsoft.com/security/blog/2020/09/15/microsoft-onefuzz-framework-open-source-developer-tool-fix-bugs/), an open source developer tool to find and fix bugs at scale
* Open sources [SmartNoise Platform](https://blogs.microsoft.com/ai-for-business/differential-privacy/), powered by [OpenDP](https://github.com/opendifferentialprivacy/), which safeguards the privacy of individuals while making useful data available for research
* Open sources [ION](https://github.com/decentralized-identity/ion), a public permissionless decentralized network identifier based on blockchain
* Upstreams improvements to Mesa's core support for OpenCL and SPIR-V
* Upstreams open source improvements to QNNX natural language model
* Releases [Microsoft Edge for Linux](https://blogs.windows.com/msedgedev/2020/10/20/microsoft-edge-dev-linux/) in developer preview
* Publishes [CBL-Delridge](https://packages.microsoft.com/repos/cbl-d/), a custom Debian derivative for internal use
* Publishes [CBL-Mariner](https://github.com/microsoft/CBL-Mariner), a custom Linux From Scratch-style distribution powered by rpm packages for internal use
* Linux-based [Azure Sphere OS](https://azure.microsoft.com/en-us/blog/azure-sphere-s-customized-linux-based-os/) released for connecting devices to the Azure Sphere Security Service
* [Participates extensively](https://www.phoronix.com/scan.php?page=news_item&px=Microsoft-XDC-2020) at the X.Org Conference, XDC
* Launches Project Freta, a cloud-based service that provides automated full-system volatile memory inspection of Linux systems
* Partners with Canonical to provide Ubuntu Pro and Charmed Kubernetes on Azure Arc
* Announces Python for Excel
* Kubernetes-based Event-Driven Autoscaling (KEDA) joins CNCF as a sandbox project ([announcement](https://cloudblogs.microsoft.com/opensource/2020/04/06/kubernetes-event-driven-autoscaling-keda-cncf-sandbox-project/))
* Ad features Ubuntu on Surface Book 3
* 📰 "Microsoft’s romance with open source software is on display at Build 2020" [Ars Technica](https://arstechnica.com/gadgets/2020/05/microsofts-romance-with-open-source-software-on-display-at-build-2020/)

### 2021
* [Microsoft Edge for Linux reaches stable](https://www.omgubuntu.co.uk/2021/10/microsoft-edge-for-linux-now-stable)
* [Open sources Power Fx](https://powerapps.microsoft.com/en-us/blog/power-fx-open-source-now-available/)
* [Releases fully open source compute APIs for Intel GPUs on WSL](https://devblogs.microsoft.com/commandline/oneapi-l0-openvino-and-opencl-coming-to-the-windows-subsystem-for-linux-for-intel-gpus/)
* [Offers Azure credit for OSI-licensed projects](https://opensource.microsoft.com/azure-credits#credits-overview)
* Open sources [ONNX Runtime Web](https://github.com/microsoft/onnxruntime), a Javascript library for running ONNX models on browsers and on Node.js.
* Brings support for [eBPF to Windows](https://github.com/Microsoft/ebpf-for-windows)
* Becomes a [Strategic Member of the Eclipse Foundation](https://cloudblogs.microsoft.com/opensource/2021/08/03/microsoft-expands-support-with-the-eclipse-foundation/).
* Releases [Microsoft Build of OpenJDK 11](https://devblogs.microsoft.com/java/announcing-preview-of-microsoft-build-of-openjdk/).
* Releases [version 1.0 of open-source Dapr](https://github.com/dapr/dapr), a serverless event-driven runtime
* Releases [version 1.0 of .NET for Apache Spark](https://dotnet.microsoft.com/apps/data/spark), .NET bindings for Spark, a general-purpose distributed processing engine for analytics over large data sets
* Releases [WSLg](https://github.com/microsoft/wslg), GUI application support on WSL
* [Joins the Rust Foundation](https://cloudblogs.microsoft.com/opensource/2021/02/08/microsoft-joins-rust-foundation/).
* Kubernetes-based Event-Driven Autoscaling (KEDA) graduates in the CNCF from Sandbox to an Incubation project ([announcement](https://www.cncf.io/blog/2021/08/18/keda-moves-from-the-cncf-sandbox-to-become-an-incubating-project/))
* Announces Azure Container Apps, a serverless container service built on top of Kubernetes, KEDA, Envoy and Dapr ([announcement](https://techcommunity.microsoft.com/t5/apps-on-azure/introducing-azure-container-apps-a-serverless-container-service/ba-p/2867265?ocid=AID3042118))
* Dapr joins CNCF as an Incubation project ([announcement](https://www.cncf.io/blog/2021/11/03/dapr-distributed-application-runtime-joins-cncf-incubator/))
* Acquires Kinvolk, Berlin-based cloud native open source developer ([announcement](https://azure.microsoft.com/en-us/blog/microsoft-acquires-kinvolk-to-accelerate-containeroptimized-innovation/))

### 2022
* [Open sources Microsoft 3D Movie Maker](https://github.com/microsoft/Microsoft-3D-Movie-Maker)

## Known Open Source Collaborations

* SUSE
* Red Hat
* Canonical
* Collabora
* IBM
* Oracle
* Google
* Chef
* Puppet
* Redis Labs
* Elastic
* Samsung
* Cloudera
* Docker
* Nokia
* HashiCorp
* PostgreSQL
* Kali Linux
* Whitewater Foundry
* Allianz
* React
* Flutter
* HashiCorp
* Nvidia
* BMW
* Apache Cassandra
* Apache Kafka
* Apache Hadoop
* Apache Spark
* Linux Foundation
* Cloud Native Computing Foundation
* Eclipse Foundation
* OpenDaylight
* Open Container Initiative
* R Consortium
* F# Foundatoin
* .NET Foundation
* Open API Initiative
* Confidential Computing Consortium
* OpenChain
* TODO Group
* Open Source Initiative
* Apache Software Foundation
* iZootoo
* StorSimple
* Grafana
* Tigera

## Select Open Source Projects

**The list below is incomplete.** opensource.microsoft.com current lists 1,155 open source projects at Microsoft and it would not be possible to curate them all here. Click here for access to find them all.

Here is a list of *selected* projects:

### Dev Tools

* [Visual Studio Code](https://github.com/Microsoft/vscode/)
* [ProcDump](https://github.com/Microsoft/ProcDump-for-Linux)
* [ProcMon](https://github.com/Sysinternals/ProcMon-for-Linux)

### .NET

* [.NET Project](https://dotnet.microsoft.com/platform/open-source)
* [Roslyn](https://github.com/dotnet/roslyn) - .NET Compiler
* [MSBuild](https://github.com/Microsoft/msbuild)

### Web Dev Tools

* [Playwright](https://github.com/microsoft/playwright) - Node library to automate Chromium, Firefox and WebKit with a single API
* [Blazor](https://github.com/dotnet/blazor)

### AI/ML/Robotics

* [Project Moab](https://github.com/microsoft/moab)
* [TensorWatch](https://github.com/microsoft/tensorwatch) - A debugging and visualization tool designed for data science, deep learning and reinforcement learning
* [Light Gradient Boosting Machine](https://github.com/Microsoft/LightGBM)
* [CNTK](https://github.com/Microsoft/CNTK) - A unified deep learning toolkit
* [AirSim](https://en.wikipedia.org/wiki/AirSim) - Open source simulator for autonomous vehicles built on Unreal Engine / Unity

### Database

* [Citus](https://github.com/citusdata/citus)
* [Azure Data Studio](https://github.com/microsoft/azuredatastudio)

### Cloud

* [Azure CLI](https://github.com/Azure/azure-cli)
* Azure Arc
* Azure Databricks
* Azure Linux virtual machines
* Azure Linux containers
* Azure-tuned Linux kernel
* Azure Spring Cloud
* Azure DevOps
* Azure HDinsight
* [Open Enclave SDK](https://github.com/openenclave/openenclave) - A hardware-agnostic open source library for developing applications that utilize hardware enclaves.

### Games

* [Allegiance](https://github.com/FreeAllegiance/Allegiance)
* [Xbox Live Developer Tools](https://github.com/microsoft/xbox-live-developer-tools)

### Windows

* [Windows Terminal](https://github.com/microsoft/terminal)
* [PowerToys](https://github.com/microsoft/PowerToys)
* [Windows Package Manager](https://github.com/microsoft/winget-cli)
* [React Native for Windows](https://github.com/microsoft/react-native-windows)
* [Rust/WinRT](https://github.com/microsoft/winrt-rs)

### Other

* [WorldWide Telescope](https://github.com/WorldWideTelescope) - A visualization environment that brings together imagery from the world's best ground- and space-based telescopes
* [Project Mu](https://microsoft.github.io/mu/) - The UEFI core used in Microsoft Surface and Hyper-V
* [Z3](https://www.microsoft.com/en-us/research/project/z3-3/) - Satisfiability Modulo Theories (SMT) solver from Microsoft Research

### Programming Languages

* [TypeScript](https://github.com/microsoft/TypeScript) - Programming language similar to JavaScript, among the most popular on GitHub
* [Bosque](https://github.com/microsoft/BosqueLanguage) - An experiment in regularized design for a machine assisted rapid and reliable software development lifecycle
* [Verona](https://github.com/microsoft/verona) - Research programming language for concurrent ownership
* [SPTAG](https://github.com/microsoft/SPTAG) - A library for fast approximate nearest neighbor search
* [P](https://github.com/p-org/P) - A language for asynchronous event-driven programming

## More Open Source at Microsoft

* [Organization page on GitHub](https://github.com/microsoft)
* [Open Source Program Group](https://opensource.microsoft.com/)
* [Open Source Partner Network](https://partner.microsoft.com/en-us/community/open-source)
* [Open Source Blog](https://cloudblogs.microsoft.com/opensource/)
* [Command Line Blog](https://devblogs.microsoft.com/commandline/)
* [Request source code from Microsoft](https://thirdpartysource.microsoft.com/)
* [Open Specification Promise](https://docs.microsoft.com/en-us/openspecs/dev_center/ms-devcentlp/1c24c7c8-28b0-4ce1-a47d-95fe1ff504bc)

## Historic Open Source Contributions

* [Windows File Manager](https://github.com/microsoft/winfile)
* [GW-BASIC](https://github.com/microsoft/GW-BASIC)
* [MS-DOS](https://github.com/microsoft/ms-dos)

-----

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