pip

LangChain is an open-source Python framework that provides composable building blocks for chaining LLM calls, tools, retrievers, and memory into production AI applications. It includes LangGraph for stateful multi-agent orchestration and 1000+ integrations with model providers and data stores.

Open-source physics engine for robotics and scientific simulation. It is used for contact-rich dynamics, control research, reinforcement learning, and virtual testing of articulated systems.

Open-source computer vision data curation and model evaluation platform. It helps teams inspect multimodal datasets, manage annotation workflows, and analyze model behavior through a Python-native interface and visual app.