Free AI Workflow Automation Tools 2026 No Code

Best free AI workflow automation: n8n free open source 50K GitHub stars 400 services AI nodes connects ChatGPT Claude Ollama. Zapier AI free 5 single-step Zaps 100 tasks per month easiest setup. Make formerly Integromat free 1000 operations per month complex workflows. Dify AI free open source 45K stars LLM apps. LangFlow free open source 35K stars multi-agent pipelines. Start with n8n if you can self-host. Start with Zapier for easiest setup.