AgentScout / Popular searches / Multi-agent frameworks

Multi-agent frameworks (2026)

Frameworks for teams of agents that split work, hand off tasks and check each other's output. Here are the top 25 of 37 from the AgentScout directory.

37 matching tools36 open source36 free or with a free tierMost starred: Ruflo (★ 74,609)

How we picked and ranked: tools are matched by category, the pricing each maker states and what each tool says it does. They are ranked by GitHub stars as recorded on each listing (link checks 2026-10-18); tools without a tracked repo follow, by listing maturity. No paid placements.

  1. Ruflo logo

    1. Ruflo

    frameworksOpen source★ 74,609 GitHub stars

    Open-source multi-agent meta-harness for Claude Code, Codex, and MCP clients; Oct 13 release adds Mods (mission workflows) and a single control plane with human approval.

    Pricing (as stated): Open source (MIT); model costs still apply · Active

  2. MetaGPT logo

    2. MetaGPT

    frameworksOpen source★ 70,885 GitHub stars

    Multi-agent framework that assigns roles like product manager and engineer to LLM agents to build software.

    Pricing (as stated): Open source · Mature

  3. AutoGen logo

    3. AutoGen

    frameworksOpen source★ 61,395 GitHub stars

    Microsoft's framework for multi-agent conversations, now archived and no longer maintained; Microsoft points new users to Microsoft Agent Framework.

    Pricing (as stated): Open source · Archived (no longer maintained)

  4. CrewAI logo

    4. CrewAI

    frameworksOpen source + cloud★ 59,675 GitHub stars

    Framework for role-based multi-agent crews.

    Pricing (as stated): Open source + paid cloud · Mature

  5. Agno logo

    5. Agno

    frameworksOpen source + cloud★ 42,769 GitHub stars

    Python framework and runtime for building, running and managing multi-agent systems with memory, knowledge and tools.

    Pricing (as stated): Open source + cloud · Mature

  6. Oh My Claudecode logo

    6. Oh My Claudecode

    codingOpen source★ 39,972 GitHub stars

    Multi-agent orchestration layer for Claude Code that coordinates teams of specialized agents.

    Pricing (as stated): Open source · Mature

  7. AgentScope logo

    7. AgentScope

    frameworksOpen source★ 33,376 GitHub stars

    Framework for building and running transparent multi-agent applications with visual debugging.

    Pricing (as stated): Open source · Mature

  8. Orkes logo

    8. Orkes

    frameworksOpen source + cloud★ 32,319 GitHub stars

    Orchestration platform built on Conductor for durable workflows and AI agents.

    Pricing (as stated): Open source + cloud · Mature

  9. PentAGI logo

    9. PentAGI

    codingOpen source★ 30,728 GitHub stars

    Autonomous multi-agent system for running penetration testing tasks.

    Pricing (as stated): Open source · Mature

  10. LangChain Deep Agents logo

    10. LangChain Deep Agents

    frameworksOpen source★ 30,236 GitHub stars

    Library for long-running agents with subagents and skills; 0.7.23 (Oct 7) adds pinned_skills.

    Pricing (as stated): Open source · Active

  11. OpenAI Agents SDK (Python) logo

    11. OpenAI Agents SDK (Python)

    frameworksOpen source★ 30,023 GitHub stars

    OpenAI's Python SDK for building multi-agent workflows; v0.23.0/0.23.1 released Oct 1-2.

    Pricing (as stated): Open source · Mature, official SDK

  12. Haystack logo

    12. Haystack

    frameworksOpen source + cloud★ 26,748 GitHub stars

    Open-source orchestration framework for building production LLM apps, RAG and agents.

    Pricing (as stated): Open source + cloud · Mature

  13. Paseo logo

    13. Paseo

    codingOpen source★ 21,143 GitHub stars

    Orchestrate multiple coding agents from desktop and mobile.

    Pricing (as stated): Open source · Mature

  14. CAMEL logo

    14. CAMEL

    frameworksOpen source★ 17,911 GitHub stars

    CAMEL, one of the first multi-agent frameworks, for building role-playing agents and large agent societies.

    Pricing (as stated): Open source · Mature

  15. DeepCode logo

    15. DeepCode

    codingOpen source★ 16,717 GitHub stars

    Open agentic coding system that turns papers and specs into code with multi-agent orchestration.

    Pricing (as stated): Open source · Mature

  16. Superset logo

    16. Superset

    codingOpen source★ 15,289 GitHub stars

    Agentic IDE for orchestrating many coding agents in parallel.

    Pricing (as stated): Open source · Mature

  17. Microsoft Agent Framework logo

    17. Microsoft Agent Framework

    frameworksOpen source★ 14,169 GitHub stars

    Microsoft's framework for building and orchestrating agents and multi-agent workflows in Python and .NET.

    Pricing (as stated): Open source · Mature

  18. Agent Orchestrator logo

    18. Agent Orchestrator

    codingOpen source★ 13,253 GitHub stars

    Runs and supervises teams of coding agents from planning to merge.

    Pricing (as stated): Open source · Mature

  19. Aden Hive logo

    19. Aden Hive

    frameworksOpen source★ 11,107 GitHub stars

    Multi-agent harness for production AI.

    Pricing (as stated): Open source · Mature

  20. Omnigent logo

    20. Omnigent

    frameworksOpen source★ 10,854 GitHub stars

    Open-source agent framework and meta-harness that orchestrates Claude Code, Codex, Cursor and other agents together.

    Pricing (as stated): Open source · Mature

  21. Oh My OpenCode Slim logo

    21. Oh My OpenCode Slim

    codingOpen source★ 9,588 GitHub stars

    Lean multi-agent suite for OpenCode that mixes models and delegates tasks automatically.

    Pricing (as stated): Open source · Mature

  22. PraisonAI logo

    22. PraisonAI

    frameworksOpen source★ 9,243 GitHub stars

    Multi-agent framework for building a self-improving AI workforce with little code.

    Pricing (as stated): Open source · Mature

  23. SuperPlane logo

    23. SuperPlane

    codingOpen source★ 7,825 GitHub stars

    Open-source platform for orchestrating one-shot engineering work with agents.

    Pricing (as stated): Open source · Mature

  24. Flyte logo

    24. Flyte

    frameworksOpen source + cloud★ 7,712 GitHub stars

    Type-safe orchestration for agents, ML pipelines and inference on Kubernetes.

    Pricing (as stated): Open source + cloud · Mature

  25. Swarms logo

    25. Swarms

    frameworksOpen source + cloud★ 7,271 GitHub stars

    Enterprise multi-agent orchestration framework.

    Pricing (as stated): Open source + cloud · Mature

FAQ

What are the best multi-agent frameworks?

Ranked by tracked GitHub stars, the top multi-agent frameworks in our directory are Ruflo, MetaGPT, AutoGen, CrewAI, Agno. Stars measure popularity, not fit, so compare a few against your own task.

How many multi-agent frameworks does AgentScout list?

37 tools match. This page shows the top 25. Pricing mix on this page: Open source (19), Open source + cloud (6).

How much do these tools cost?

Pricing is what each maker states on their site. Open-source tools are free to self-host but may need a paid model API key or offer paid cloud plans; freemium tools have a free plan with limits. Check each official site.

Where can I see every tool for building multi-agent systems?

Our task page lists all 41 tools we match to building multi-agent systems.

Related: All tools for building multi-agent systems · Best AI Agent Frameworks · frameworks (23) · coding (10) · voice (1) · MCP & infra (1)

Similar searches: Open-source AI agent frameworks · Python AI agent frameworks · TypeScript and JavaScript AI agent frameworks

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Facts come from our directory listings; pricing is as each maker states it and can change. Check official sites before you choose.

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