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Shared Source

What Does Shared Source Mean?

Shared Source is Microsoft’s mechanism for legal distribution of software source code. This venture was initially launched in May 2001 and includes numerous licenses and technologies.


Microsoft’s Shared Source permits both organizations and individuals to access a program’s source code as a reference. This access provides developers with debug capabilities, which can be downloaded after satisfying certain eligibility criteria. The associated license may range from only code viewing for reference to permission for modification, which can be used for commercial and noncommercial purposes.

Techopedia Explains Shared Source

The objectives of Microsoft Shared Source include:

  • Ensure security and integrity of Windows users’ computing environments
  • Provide technologies to universities worldwide and enhance educational opportunities
  • Provide an expanded access of Shared Source software to researchers, customers and developers
  • Provide essential tools to produce better software
  • Preserve intellectual property rights

Microsoft has two types of shared source licenses: free and open-source licenses and non-free and non-open-source licenses. Both types involve many complex rules and restrictions.


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