Alternatives to MetaGPT

AutoGen is Microsoft's open-source framework for building conversational and event-driven multi-agent AI apps in Python and .NET.

A free, MIT-licensed Python framework from OpenAI for building multi-agent workflows with handoffs, guardrails, and tracing.

Open-source React framework for agent chat, generative UI, and shared state on any AG-UI backend.

Microsoft Agent Framework is an open-source SDK for building agentic AI with workflows, checkpoints, and the GA Agent Harness runtime.

Mastra is an open-source TypeScript agent framework for durable workflows, memory, and built-in agent observability.

Microsoft's open-source SDK for building AI agents and copilots with plugins, memory, and multi-agent orchestration.

Microsoft's open-source, code-first Python framework for building stateful, data-intensive conversational AI agents.

Pydantic AI is the typed, open-source Python agent framework that returns Pydantic-validated objects from every run.

CowAgent is an open-source AI agent harness that plans tasks, runs tools, and grows long-term memory across sessions.

Eino is an open-source Go LLM framework from ByteDance for building agents, graphs, and RAG pipelines in your existing Go backend.

DeerFlow is an open-source SuperAgent harness that runs deep research, coding, and creation tasks in a persistent Docker sandbox.

Open-source library of 817 structured cybersecurity skill files your AI coding agent loads on demand, mapped to MITRE ATT&CK and licensed Apache 2.0.

SmolAgents builds code-writing AI agents in Python — a ~1,000-line open-source library where agent actions are executable code.

Open-source agentic AI data assistant that writes SQL, runs code in a sandbox, and chats with your databases self-hosted

Hermes Desktop is a free, open-source desktop GUI for the Hermes Agent — a self-hosted AI agent with a built-in learning loop that turns

Hermes Agent: a self-hosted open-source AI agent with persistent memory that builds reusable skills across 20+ chat platforms.

Open-source AI agent loop that iterates a task list in Docker Sandboxes and commits the results.

Zhipu GLM is a full-stack large-model platform built on open GLM weights, with MaaS APIs, ZCode and shipped computer-use agents.

Open source durable execution SDK: wrap functions in steps and get retries, flow control, and traces with zero infrastructure to run.

AgentScope is an open-source Python framework from Alibaba for building distributed multi-agent AI systems.

LibreChat self-hosts multi-model AI chat, agents, and MCP tools on your own infrastructure for free.

Agent evaluation platform that simulates voice and chat agents, traces production, and scores hallucinations before customers hit them

Imbue builds inspectable coding-agent tools: mngr for parallel agent runs, Latchkey for HTTP permissions, and Studio as a personal AI OS.

Pipedream is the integration layer for AI agents: managed auth and 10,000+ tools across 3,000+ APIs.

Agent enablement platform that versions, scans and evaluates the skills your coding agents run.

GitLab Duo adds policy-governed AI agents and flows across the DevSecOps lifecycle inside GitLab

Flowith is an infinite canvas where you run many AI image, video, slide, and research agents side by side instead of one chat thread.

Capafy AI is an agent skills marketplace where you buy, run, and publish ready-made AI agent skills priced per skill or per use.

Self-hosted cloud development environments and AI governance that let enterprises run coding agents on their own infrastructure.

Token-efficient AI agent with SquillaRouter model routing that cuts agent token cost by sending simple steps to cheap models.