Updated March 10, 2026
Langflow is an open-source visual framework for building multi-agent and RAG applications.
Rivet is an open-source visual AI programming environment for building AI agent chains.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.