langchain-ai/langmem

Hindsight: Agent Memory That Learns

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free

A graph-native memory system for AI agents and context graphs. Store conversations, build knowledge graphs, and let your agents learn from their own reasoning — all backed by Neo4j.

30 sec to give your AI agents persistent memory. Reduce 90% token consumption while also maintaining quality.

Memori is agent-native memory infrastructure. A LLM-agnostic layer that turns agent execution and conversation into structured, persistent state for production systems. Built for enterprise, Memori works with the data infrastructure you already run, no rip-and-replace, and deploys across managed cloud, single-tenant cloud, VPC, and on-premises.

Plugin-first long-term memory for agent platforms — reference implementation of AMP (Agent Memory Protocol).

[ICML'26] SimpleMem: Efficient Lifelong Memory for LLM Agents — Text & Multimodal

One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.