Context7

Contextal is a context management and retrieval-enhancement tool for multi-turn agents, long conversations, and complex knowledge injection workflows.

Graphiti is a temporal knowledge-graph engine for agent memory, helping systems continuously accumulate long-term context.

Mem0 is a long-term memory layer for AI agents, supporting cross-session memory management and personalized context retrieval.

LangMem is LangChain's memory layer for agents, helping developers add long-term memory, replay summaries, and context management to improve multi-turn performance.