Microsoft open-sources “the earliest DOS source code discovered to date”

Several times in the last couple of decades, Microsoft has released source code for the original MS-DOS operating system that kicked off its decades-long dominance of consumer PCs. This week, the ...

Microsoft finally open sources DOS 1.0 - and it's so much more than the code

Microsoft finally open sources DOS 1.0 - and it's so much more than the code ...

Microsoft releases earliest known DOS source code

DOS, Microsoft is releasing the earliest known source code listings – transcribed from yellowed continuous printouts.
CRN

Microsoft Depends On Shared Source, Dips Toe In Open-Source Waters

Jason Matusow, director of the Shared Source Initiative, said Microsoft would continue to add to the 20 products that it currently makes available for source-code inspection. Matusow was a session ...
AOL

Bill Gates Has Published the Original Microsoft Source Code

Bill Gates holds a printout of early Microsoft source code. Sharing a photo of himself holding a huge pile of paper showing the code, Gates wrote that he was inspired by the January 1975 copy of ...
Neowin

Microsoft open sources GitHub Copilot in Visual Studio Code

Microsoft has decided to open source its GitHub Copilot tool in Visual Studio Code. It has also shared some exciting developments. On the opening day of its BUILD 2025 conference, Microsoft has ...
CSO Online

Microsoft releases open-source tools to operationalize AI agent safety

Rampart turns red-team findings into repeatable tests; Clarity documents and validates agent design assumptions before code ...