Open source
Instructor
Library for getting structured, validated data from LLM output
Agent FrameworksStructured outputs from LLMs
Alternatives to DSPy
12 tools like DSPy, chosen by what they do. About DSPy
Curated
Pydantic AI
Type-safe Python agent framework with many model providers
Agent FrameworksType safe Python agents
Open source
VoltAgent
TypeScript framework for AI agents with built-in observability
Agent FrameworksTypeScript AI agent framework
Open source
Google Agent Development Kit
Open source framework for multi-agent systems in several languages
Agent FrameworksGoogle Agent Development Kit
Curated
Mastra
TypeScript framework for agents with tools, memory and workflows
Agent FrameworksTypeScript agent framework
Open source
Agno
Platform and framework for building agent teams in your own cloud
Agent FrameworksBuild and run agent teams
Open source
Semantic Kernel
Microsoft SDK for AI agents in C#, Python and Java
Agent FrameworksMicrosoft AI orchestration SDK
Open source
Genkit
Open source toolkit from Google for building AI apps and agents
Agent FrameworksFull stack AI app framework
Open source
CrewAI
Open source framework for building teams of collaborating AI agents
Agent FrameworksMulti-agent framework
Open source
Vercel AI SDK
TypeScript toolkit for adding AI text and chat features to apps
Agent FrameworksTypeScript AI toolkit
Open source
Composio
Tools and sign-in layer that connects AI agents to many apps
Agent FrameworksTools and auth for agents
Open source
CAMEL-AI
Open source community and framework for multi-agent systems
Agent FrameworksMulti-agent society framework