Agent Frameworks (Developers)free

Agno

Open-source (Apache-2.0) Python framework, 41.7k GitHub stars

Visit Agno

What Agno does

  • Open-source (Apache-2.0) Python framework, 41.7k GitHub stars
  • AgentOS: FastAPI-based production runtime for deploying agents
  • Control-plane UI for monitoring live agent systems across clouds

Agno — straight answers

What is Agno?

Agno is listed under Agent Frameworks (Developers), in the AI Agents & Automation category on Flocci AI Tools. Open-source (Apache-2.0) Python framework, 41.7k GitHub stars. It is free, with no paid plan attached, and it lives at agno.com.

Is Agno free?

Agno is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can Agno do?

Agno does 3 things the catalog singles out: Open-source (apache-2.0) python framework, 41.7k github stars; agentos: fastapi-based production runtime for deploying agents; control-plane ui for monitoring live agent systems across clouds.

What is the best free alternative to Agno?

AWS Strands Agents is the closest free alternative: it sits in the same Agent Frameworks (Developers) sub-category and is free. DSPy, Google Agent Development Kit (ADK) and LangGraph also start free. The full list is on the alternatives page.

See the full list →

Agno 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
Visit

CrewAI

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

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
Visit

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

Agno vs LangGraphAgno vs CrewAIAgno vs OpenAI Agents SDKAgno vs Microsoft AutoGenAgno vs LlamaIndexAgno vs Google Agent Development Kit (ADK)