Best Open Source Alternatives to CrewAI

LobeHub is an open-source AI agent platform that organizes your AI team into 24/7 operations.

Ruflo is an open-source agent meta-harness for deploying AI swarms, coordinating workflows, and building conversational

AgentScope 2.0: production-ready agent framework for building, testing, and deploying AI agents with observability and M

Mastra is a TypeScript framework for building AI agents, workflows, and MCP servers.

Go Micro is a Go agent harness and service framework for building AI agents with MCP and A2A support.

Open-source TypeScript framework for building production-ready AI agents with memory, RAG, MCP, and observability.

Low-code platform for building multi-agent LLM applications with one-click deployment.

Multi-tenant AI agent platform in Go with 20+ LLM providers, 7 channels, and 5-layer security.

Model-agnostic inference-time control suite for deep reasoning, long-horizon work, verification, and recovery.

One-sentence AI expert team orchestration: 267 roles, YAML zero-code, auto-verified deliverables, multi-LLM support.