Best Open Source Alternatives to Flowise

4 open-source tools that can replace Flowise. Compare tech stacks, licenses and stars below.

MCPNOASSERTION

Open-source LLM app development platform for building AI workflows, RAG pipelines, and agents.

153k·LLM Ops·Open source

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MCPNOASSERTION

FastGPT is an open-source AI agent platform for building knowledge-based Q&A systems with RAG and visual workflow orches

29k·AI Agents·Open source

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MCPMIT

Open-source AI pipeline engine with C++ core, 100+ nodes, and IDE integration for building LLM workflows.

11k·AI Agents·Open source

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MCPApache-2.0

Enterprise-grade multi-tenant AI agent platform with RAG, workflows, GUI automation, and model management.

2.6k·AI Agents·Open source

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