12 open-source projects share topics or a category with MetaGPT. Each comparison below is drawn from recorded GitHub metadata — language, license, activity and review status. None of them is a judgement about which is better for you.
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
Choose deer-flow if…
you want the more recently updated codebase
you specifically need agentic or agentic-framework
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
Choose headroom if…
Apache License 2.0 suits your use better than MIT License
you want something your agent can install directly rather than a library to wire up yourself
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
Choose haystack if…
Apache License 2.0 suits your use better than MIT License
you prefer a smaller, narrower project to a large one
you want the more recently updated codebase
you specifically need agent-framework or agentic-ai
Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.
Choose omnigent if…
Apache License 2.0 suits your use better than MIT License
you prefer a smaller, narrower project to a large one
you want the more recently updated codebase
you specifically need agent-framework or agent-governance