Kada is an agent framework workflow builder. AI receptionist customer service that runs on the user's own computer and answers customers from their own knowledge base. Free tier; paid 2998 CNY/year. If it isn't the right fit, here are the other agent framework workflow builders we track, with a dedicated profile and sourced pricing. Last checked 2026-11-05.
Fair-code workflow automation platform. Drag nodes onto a canvas to connect apps and build AI agents; self-host the Community Edition or use n8n Cloud. source
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
Framework for orchestrating role-playing, collaborative AI agents. source
Framework for building agents over your data. source
Build AI agents that act across Zapier's app integrations. source
Open-source TypeScript framework for AI agents: agents, workflows, memory, evals and tracing. source
Other agent framework / workflow builders we track: n8n, LangSmith Agent Builder, Dify, CrewAI, LlamaIndex, Zapier Agents, Mastra.
These alternatives list a free tier or free plan: n8n, LangSmith Agent Builder, Dify, CrewAI, LlamaIndex, Zapier Agents, Mastra. Limits vary; check each official pricing page.
Open-source options in this category: n8n, Dify, CrewAI, LlamaIndex, Mastra.
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