Agent framework
Libraries and SDKs for building, orchestrating, and running AI agents in your own apps. 19 tools.
Agno
A high-performance multi-agent framework and runtime (formerly Phidata).
AutoGen
Microsoft's framework for multi-agent conversations.
AWS Strands Agents
AWS's model-driven, open-source agent SDK.
Cloudflare Agents SDK
Stateful agents on Cloudflare Workers.
CrewAI
Role-playing multi-agent crews.
DSPy
Declarative, programmable prompt programming from Stanford.
Google Agent Development Kit
Google's code-first toolkit for production agents.
Haystack (deepset)
Production-grade RAG and agent pipelines from deepset.
LangChain
The broad framework for LLM applications and agents.
LangGraph
Graph-based agent orchestration from LangChain.
Letta
Stateful agents with long-term memory (formerly MemGPT).
LlamaIndex
The data framework for LLM applications.
Mastra
The TypeScript-first agent framework.
OpenAI Agents SDK
OpenAI's lightweight agents SDK (Swarm successor).
PocketFlow
A 100-line minimalist LLM framework, agentic-coding friendly.
Pydantic AI
Type-safe agent framework from the Pydantic team.
Semantic Kernel
Microsoft's SDK for enterprise AI orchestration.
Smolagents
Hugging Face's minimalist code-writing agents.
Vercel AI SDK
The TypeScript toolkit for building AI apps and agents.