n8n is an open-source workflow automation platform with built-in AI agent nodes, LLM integrations, and the option to self-host for free. It connects 400-plus apps and lets you wire up AI chains — think a model deciding what happens next in a multi-step process — without leaving the visual editor. Cloud plans run $20–$60/month; self-hosted is free but you cover your own server costs.Best for: technical teams and developers who need custom AI pipelines, complex branching logic, or full data control via self-hostingHonest caveat: the node configuration and JSON handling have a real learning curve — non-developers will hit a wall faster here than on Make