LlamaIndex alternatives
12 other agent frameworks listed here. LlamaIndex is open source.
Featured











CrewAI
Agent frameworks
Multi-agent framework built around role-based crews
FeaturedLangChain
Agent frameworks
Framework for building LLM apps and agents
Agno
Agent frameworks
Python framework for agents with memory and knowledge
AutoGen
Agent frameworks
Microsoft's framework for multi-agent conversations
Google Agent Development Kit
Agent frameworks
Google's open source toolkit for building agents
Haystack
Agent frameworks
deepset's open source framework for RAG and agents
LangGraph
Agent frameworks
Graph-based runtime for stateful agents
Mastra
Agent frameworks
TypeScript framework for AI agents and workflows
OpenAI Agents SDK
Agent frameworks
Lightweight Python SDK for multi-agent workflows
Pydantic AI
Agent frameworks
Type-safe Python agent framework from the Pydantic team
Semantic Kernel
Agent frameworks
Microsoft SDK for AI agents in C#, Python and Java
smolagents
Agent frameworks
Minimal Hugging Face library where agents write code