Microsoft Open Source Blog
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Featured Posts
From standards to software: Microsoft’s ongoing work on OpenAPI and developer tooling
Explore Microsoft’s ongoing work across OpenAPI, JSON Schema, and developer tooling.
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Microsoft Comic Chat is now open source
Microsoft Comic Chat, the pioneering IRC client that transformed conversations into comic-book panels and introduced Comic Sans to the world, is now open source. -
What’s new with Microsoft in open source and Kubernetes at Open Source Summit and KubeCon India
When building with AI on Azure Kubernetes Service, getting a model running is just the beginning. -
Introducing STATE-Bench: A benchmark for AI agent memory
STATE-Bench is an open-source, memory-agnostic benchmark freely available to agent developers, researchers, and platform teams.
Microsoft Open Source
Open Source enables Microsoft products and services to bring choice, technology and community to our customers. Together, in the open, it’s an exciting time to use technology to build hacks, apps, and services.
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From open source to agentic systems: Microsoft at Open Source Summit North America 2026
Open source is the foundation for AI and, as AI workloads scale, developers need that foundation to be more secure, more predictable, and easier to build apps and agents. -
Conductor: Deterministic orchestration for multi-agent AI workflows
Conductor is an open-source CLI (MIT license, Microsoft org) that takes a different approach: you define your multi-agent workflows in YAML, and the routing between agents is deterministic. -
PostgreSQL enters its AI era: Run PostgreSQL like a pro in the era of AI and rapid growth
Postgres can handle intelligent workloads and scale without sacrificing security, performance, reliability, or operational ease. -
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. -
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.
Microsoft Open Source
Open Source enables Microsoft products and services to bring choice, technology and community to our customers.
