Mem0 Open-source memory layer that gives agents persistent, personalized recall. ↗ mem0.ai Zep Memory platform using a temporal knowledge graph for agent recall. ↗ getzep.com MongoDB Popular document database with built-in vector search for RAG. ↗ mongodb.com Redis Ultra-fast in-memory store used for agent caching, sessions, and vectors. ↗ redis.io Milvus Open-source vector database built for billion-scale similarity search. ↗ milvus.io Qdrant Open-source vector database known for performance and developer experience. ↗ qdrant.tech pgvector Extension that adds vector search to PostgreSQL. ↗ github.com ← 🌐 Browser & Web 📊 Observability & Infra →