Continuing the story of early DOS development
In 2018 we (re)-open-sourced MS‑DOS 1.25 and 2.11 and in 2024 we were able to make the source for MS‑DOS 4.
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How Drasi used GitHub Copilot to find documentation bugs
How Microsoft uses AI agents and Drasi to keep open‑source documentation accurate and working. -
Introducing the Agent Governance Toolkit: Open-source runtime security for AI agents
Microsoft unveils the Agent Governance Toolkit to bring OS‑level security, trust, and compliance to autonomous AI agents. -
What’s new with Microsoft in open-source and Kubernetes at KubeCon + CloudNativeCon Europe 2026
At KubeCon + CloudNativeCon Europe 2026 in Amsterdam, we’re making announcements that reflect the goal of bringing the operational maturity of Kubernetes to today’s workloads and demands. -
Hyperlight Nanvix: POSIX support for Hyperlight Micro-VMs
The Cloud Native Computing Foundation’s (CNCF) Hyperlight project delivers faster, more secure, and smaller workload execution to the cloud-native ecosystem. -
Preserving code that shaped generations: Zork I, II, and III go Open Source
Microsoft’s Open Source Programs Office (OSPO), Team Xbox, and Activision are making Zork I, Zork II, and Zork III available under the MIT License. -
What’s new with Microsoft in open-source and Kubernetes at KubeCon North America 2025
From improving reliability and performance to advancing security and AI-native workloads, our goal remains the same: make Kubernetes better for everyone. -
DocumentDB goes cloud-native: Introducing the DocumentDB Kubernetes Operator
DocumentDB Kubernetes Operator enables you to deploy and manage open-source DocumentDB on Kubernetes. -
Marking Drasi’s first anniversary: introducing GQL support for Continuous Queries
Drasi turns one with GQL support—giving developers more ways to build change-driven systems. -
9 open-source projects the GitHub Copilot and Visual Studio Code teams are sponsoring—and why they matter
GitHub Copilot and VS Code teams are sponsoring open-source MCP projects that push the boundaries of developer experience, agent autonomy, and more. -
Accelerating AI and databases with Azure Container Storage, now 7 times faster and open source
The next major release of Azure Container Storage delivers higher IOPS and less latency compared to previous versions. -
Bringing BASIC back: Microsoft’s 6502 BASIC is now Open Source
For decades, fragments and unofficial copies of Microsoft’s 6502 BASIC have circulated online, mirrored on retrocomputing sites, and preserved in museum archives.
Microsoft Open Source
Open Source enables Microsoft products and services to bring choice, technology and community to our customers.
