n8n is a agent framework / workflow builder: Visual workflow automation with AI agent nodes; self-host free. If it isn't the right fit, here are the other agent framework / workflow builders we track, each with an official demo and sourced pricing. Last checked 2026-10-17.
No-code agent creation inside LangSmith from the LangChain team: describe a task, the agent drafts its instructions, picks tools and learns from feedback. Runs are traced in LangSmith. source
Open-source platform for building LLM applications with visual workflows, RAG, agents, model management and observability. Self-host or use Dify Cloud. source
Other agent framework / workflow builders we track: LangSmith Agent Builder, Dify.
These alternatives list a free tier or free plan: LangSmith Agent Builder, Dify. Limits vary; check each official pricing page.
Open-source options in this category: Dify.
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