🤖 AI Agents

LangChain / LangGraph

Libraries and platform for building LLM applications and agents; LangGraph for stateful graphs and fine-grained control.

Pricing

Open source + LangSmith/commercial platform (langchain.com — see website)

Always check the official website; prices change.

🤖 AI Agents

Open-source Python framework for building role-based 'crews' of agents; AMP platform for deployment.

Pricing: Open-source framework (MIT); AMP Basic free with limits; custom Enterprise pricing (crewai.com)

🤖 AI Agents

Open-source visual builder for LLM flows and agents (LangChain-based) with a drag-and-drop UI.

Pricing: Open-source self-hosted; Cloud/commercial — see website (flowiseai.com)

🤖 AI Agents

Open-source platform for autonomous agents with a visual builder and briefable AI Experts.

Pricing: Open source / freemium — see website (agpt.co)