Frameworks

Libraries and frameworks for building AI/LLM-powered applications — orchestration, retrieval, agent construction, and inference pipelines.

Contents

Framework	What it does
LangChain	LLM application framework with chains, agents, and tool use
LlamaIndex	Data framework for LLM apps — indexing, retrieval, RAG
AutoGen	Microsoft's multi-agent conversation framework
CrewAI	Collaborative multi-agent orchestration framework
DSPy	Programming framework for algorithmically optimizing LLM prompts
Haystack	Modular LLM framework for building RAG and search pipelines
Mycelium	Recursive workflow framework using state machines and Malli contracts
Semantic Kernel	SDK for integrating LLMs into applications (.NET, Python)
Smolagents	Lightweight agent framework for simple tool-calling agents