n8n

n8n is a powerful workflow automation platform that offers both self-hosted and cloud options. With over 400 integrations and native AI nodes, it enables complex automations including AI-powered workflows. The AI features include nodes for OpenAI, Anthropic, and other LLM providers, allowing users to build AI-powered automations. The visual workflow builder makes it easy to create sophisticated integrations. n8n's fair-code license allows self-hosting for free while the cloud version starts at $20/month. It's popular with developers who need more flexibility than traditional no-code tools.