Neo4j vs JanusGraph: What are the differences?

Neo4j: The world’s leading Graph Database. Neo4j stores data in nodes connected by directed, typed relationships with properties on both, also known as a Property Graph. It is a high performance graph store with all the features expected of a mature and robust database, like a friendly query language and ACID transactions; JanusGraph: Open-source, distributed graph database. It is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. It is a transactional database that can support thousands of concurrent users executing complex graph traversals in real time.

Neo4j and JanusGraph belong to "Graph Databases" category of the tech stack.

Some of the features offered by Neo4j are:

• intuitive, using a graph model for data representation
• reliable, with full ACID transactions
• durable and fast, using a custom disk-based, native storage engine

On the other hand, JanusGraph provides the following key features:

• Elastic and linear scalability for a growing data and user base
• Data distribution and replication for performance and fault tolerance
• Multi-datacenter high availability and hot backups

Neo4j is an open source tool with 6.77K GitHub stars and 1.65K GitHub forks. Here's a link to Neo4j's open source repository on GitHub.