n8n

n8n is an open-source workflow automation platform that offers the same visual, trigger-action automation model as Zapier, connecting apps, moving data, and automating repetitive processes, but with three significant differentiators: it can be self-hosted on your own infrastructure, it is free for self-hosted usage, and it supports native JavaScript and Python code execution within workflows for logic that visual node interfaces can't express. The self-hosting option eliminates both the per-task costs of cloud platforms and the data privacy concerns of routing sensitive business data through third-party servers. n8n's native AI nodes connect directly to LLM providers (OpenAI, Anthropic, Google) and enable building AI workflows: summarize incoming emails, classify support tickets, generate drafts from templates, and trigger actions based on AI output. A built-in AI Assistant, added in July 2026, lets you build and edit these automations by describing them in plain language directly inside the n8n editor, closing much of the gap with no-code competitors without giving up the code-node flexibility that sets n8n apart.

The community contributes 400+ integrations; the platform also supports custom API connections through its generic HTTP request nodes. The cloud-hosted n8n offers plans starting at $20/month. Self-hosted is free, requiring a server, Docker, or a managed deployment on platforms like Railway or Render. n8n is strongest for technical teams and developers who need automation flexibility beyond what Zapier's interface can express, privacy requirements that cloud platforms don't satisfy, or volume that makes per-task pricing economically unsustainable.