Open source
Zep
Context layer giving agents governed company data and memory
Agent FrameworksLong term memory for agents
Alternatives to Letta
12 tools like Letta, chosen by what they do. About Letta
Open source
Mem0
Memory layer that helps AI apps remember users across sessions
Agent FrameworksMemory layer for AI agents
Open source
LangGraph
Low-level framework for stateful, long-running agents as graphs
Agent FrameworksStateful graph based agents
Curated
Mastra
TypeScript framework for agents with tools, memory and workflows
Agent FrameworksTypeScript agent framework
Open source
VoltAgent
TypeScript framework for AI agents with built-in observability
Agent FrameworksTypeScript AI agent framework
Open source
CAMEL-AI
Open source community and framework for multi-agent systems
Agent FrameworksMulti-agent society framework
Open source
Strands Agents
Open source toolkit for production AI agents in Python and TypeScript
Agent FrameworksAWS open source agent SDK
Open source
Composio
Tools and sign-in layer that connects AI agents to many apps
Agent FrameworksTools and auth for agents
Open source
CrewAI
Open source framework for building teams of collaborating AI agents
Agent FrameworksMulti-agent framework
Open source
Google Agent Development Kit
Open source framework for multi-agent systems in several languages
Agent FrameworksGoogle Agent Development Kit
Open source
AutoGen
Microsoft's open source framework for building multi-agent AI apps
Agent FrameworksMicrosoft multi-agent toolkit
Open source
Agno
Platform and framework for building agent teams in your own cloud
Agent FrameworksBuild and run agent teams