Neo4j

Neo4j stores data as nodes and relationships (edges), making it ideal for social networks, recommendation engines, fraud detection, and knowledge graphs.

Installation

# Docker (recommended)
docker run -d --name neo4j -p 7474:7474 -p 7687:7687 \
  -e NEO4J_AUTH=neo4j/password123 \
  neo4j:5

# Access browser UI at http://localhost:7474
# Bolt protocol at bolt://localhost:7687

# Node.js driver
npm install neo4j-driver

# Python driver