Microsoft Open Source Blog

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Events October 8 4 min read

Open-source databases in the AI era: Meet Microsoft at All Things Open

We’re investing across open-source database technologies and services to help developers move from an idea on their laptop to applications operating at cloud scale.

Project updates October 1 6 min read

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.
News July 16 4 min read

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.
Events June 17 5 min read

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.

News May 19 4 min read

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.
News May 18 7 min read

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.
News May 14 6 min read

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.
Thought Leadership April 30 4 min read

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.
Project updates April 28 2 min read

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.
Tutorials and demos April 9 6 min read

How Drasi used GitHub Copilot to find documentation bugs

How Microsoft uses AI agents and Drasi to keep open‑source documentation accurate and working.
News April 2 6 min read

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.
Events March 24 6 min read

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.
Tutorials and demos January 28 8 min read

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.