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Microsoft Agent Framework

Unified open-source framework for building and orchestrating multi-agent systems in Python and .NET

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What Microsoft Agent Framework does

  • Unified open-source framework for building and orchestrating multi-agent systems in Python and .NET
  • Successor merging Semantic Kernel and AutoGen ideas
  • Graph workflows, memory and tool support
  • Free, MIT-licensed

Microsoft Agent Framework — straight answers

What is Microsoft Agent Framework?

Microsoft Agent Framework is listed under Agent Frameworks (Developers), in the AI Agents & Automation category on Flocci AI Tools. Unified open-source framework for building and orchestrating multi-agent systems in Python and .NET. It is free, with no paid plan attached, and it lives at github.com.

Is Microsoft Agent Framework free?

Microsoft Agent Framework is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 399 entries on Flocci AI Tools with no upgrade path built in.

What can Microsoft Agent Framework do?

Microsoft Agent Framework does 4 things the catalog singles out: Unified open-source framework for building and orchestrating multi-agent systems in python and .net; successor merging semantic kernel and autogen ideas; graph workflows, memory and tool support; free, mit-licensed.

What is the best free alternative to Microsoft Agent Framework?

Agno is the closest free alternative: it sits in the same Agent Frameworks (Developers) sub-category and is free. AWS Strands Agents, CAMEL and Claude Agent SDK also start free. The full list is on the alternatives page.

See the full list →

Microsoft Agent Framework alternatives

Compare all alternatives →

LangGraph

Agent Frameworks (Developers)
free
  • Build stateful, multi-agent apps as graphs
  • Human-in-the-loop and durable execution
  • Works with any LLM
  • Open-source with a hosted platform
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CrewAI

Agent Frameworks (Developers)
freemium
  • Role-based multi-agent 'crews'
  • Simple Python API for collaboration
  • Tasks, tools and flows
  • Open-source core
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OpenAI Agents SDK

Agent Frameworks (Developers)
free
  • Lightweight agent orchestration from OpenAI
  • Agent handoffs, guardrails and tracing
  • Tool and function calling built in
  • Open-source, pay only for model usage
Visit

Microsoft AutoGen

Agent Frameworks (Developers)
free
  • Multi-agent conversation framework
  • Event-driven, async agent design
  • Studio UI for prototyping
  • Fully open-source
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LlamaIndex

Agent Frameworks (Developers)
freemium
  • Leading framework for RAG and data agents
  • Connect LLMs to your documents & APIs
  • Agentic document workflows
  • Open-source with a hosted cloud
Visit

Google Agent Development Kit (ADK)

Agent Frameworks (Developers)
free
  • Open-source Python/Java framework from Google for building multi-agent systems
  • Native integration with Vertex AI Agent Engine and Gemini models
  • Model-agnostic — works with non-Google LLMs via LiteLLM
Visit

Head-to-head comparisons

Microsoft Agent Framework vs LangGraphMicrosoft Agent Framework vs CrewAIMicrosoft Agent Framework vs OpenAI Agents SDKMicrosoft Agent Framework vs Microsoft AutoGenMicrosoft Agent Framework vs LlamaIndexMicrosoft Agent Framework vs Google Agent Development Kit (ADK)