n8n Workflow Engine

Open-source, AI-native visual workflow automation. Think “Zapier, but self-hosted and with built-in AI agents.” 400+ integrations, human-in-the-loop AI, full audit trail.

Core Concept

Visual drag-and-drop workflow builder that connects apps, automates tasks, and builds AI agents — without writing code.

New email → AI reads & categorizes → Creates Trello task
                                    → Sends Slack notification
                                    → Updates spreadsheet

Key Features

  • 400+ integrations: Slack, Notion, PostgreSQL, OpenAI, GitHub, and more
  • AI-native: Chat nodes, natural language workflows, autonomous agents, human-in-the-loop
  • Self-hosted or cloud: Docker, npm, or managed n8n Cloud
  • AI safety: Inspect every prompt/response, approval checkpoints, full audit trail

How It Compares

Featuren8nZapierMake
Open sourceYesNoNo
Self-hostedYesNoNo
AI-nativeYesLimitedLimited
Custom codeYesLimitedLimited
Human-in-the-loop AIYesNoNo

Quick Start

# Docker (self-hosted)
docker run -it --rm --name n8n -p 5678:5678 \
  -v n8n_data:/home/node/.n8n docker.n8n.io/n8nio/n8n
# Then open http://localhost:5678

Use Cases

  • Individuals: Email autopilot, RSS → AI → Notion pipeline, social media scheduling
  • Teams: AI ticket triage, lead scoring, resume screening
  • Developers: CI/CD notifications, error log → AI categorization → ticket creation

Sources