Memory & Persistence
6 toolsOSSFreePopular
Mem0
Universal persistent memory layer for AI agents
⭐ 30,000
OSSFree
Letta
Stateful agents with long-term memory — formerly MemGPT
⭐ 13,200
OSSFree
Zep
Long-term memory and session management for AI assistants
⭐ 4,000
OSSFree
Cognee
OSS graph-based memory layer for AI agents
OSSFree
Graphiti
OSS temporal knowledge graph engine (powers Zep)
OSSFree
LangMem
Memory primitives for LangChain agents
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