“LangChain”

Low-level Python orchestration framework for long-running stateful agents, with durable execution, human review points and short- and long-term memory.

Opinionated agent harness on LangGraph with sub-agents, filesystem access, context management, persistent memory and approval of tool calls.

Python framework for LLM apps built from collaborating agents that hold conversation state, tools and vector-store memory.

Go framework for LLM applications with chat-model agents, multi-agent coordination, graph workflows and human-in-the-loop resume.

Python interface for running and evaluating agents from several frameworks, with OpenTelemetry traces; now in soft deprecation.

Python platform that gives agents a cryptographic identity, A2A communication and x402 payment requirements behind one bindufy() call.