Archon alternatives

n8n is an open-source workflow automation platform with a visual node-based editor and deep native AI integrations, allowing users to chain LLMs and build autonomous agents.

LangGraph is a specialized agent framework within the LangChain ecosystem that focuses on building controllable, stateful agents and supports various control flows like single-agent, multi-agent, and hierarchical.

AutoGen is a multi-agent conversation framework developed by Microsoft Research, designed for complex interactions between AI agents through an event-driven architecture, and is merging into the new Microsoft Agent Framework.

CrewAI is an open-source framework for building role-based multi-agent systems where agents collaborate like a human team, each with defined roles, goals, and tools.

Kestra is an open-source, declarative orchestration platform for data, AI, and infrastructure workflows, supporting multiple languages and offering both code-based and UI-driven workflow definitions.