#1
n8n

n8n

★★★★★ 4.6 Free / $24+ Free plan

Open-source workflow automation platform with self-hosting, JavaScript node support, and AI agent workflows.

workflowsself-hostingcode-nodeswebhooks
✓ Free self-hosting (forever)✓ Full JavaScript/Python in every node✓ AI agent workflow builder
#2

Dify

★★★★★ 4.5 Free / $59+ Free plan

Open-source LLM app development platform with visual workflow builder, RAG pipeline, and agent capabilities for building AI applications without code.

visual-orchestrationrag-pipelineagent-modemulti-model
✓ Open-source and self-hostable✓ Visual workflow builder✓ Built-in RAG pipeline
#3

DeepSeek

★★★★ 4.3 Free / $0.14+ Free plan

Chinese AI lab's open-weight large language model with free web chat, ultra-low-cost API, and strong reasoning and coding capabilities rivaling GPT-4 and Claude.

chatcode-generationreasoningapi
✓ Free web chat with no subscription required✓ Extremely cheap API pricing (up to 50x cheaper than competitors)✓ Strong reasoning and coding performance

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