Dgraph is a low latency, high throughput, horizontally scalable and distributed graph database with ACID transactions.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
Amazon Neptune is described as 'Fast, reliable, fully managed graph database service that makes it easy to build and run applications that work with highly connected datasets' and is an app. There are more than 10 alternatives to Amazon Neptune for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. The best Amazon Neptune alternative is MongoDB, which is free. Other great apps like Amazon Neptune are CouchDB, ArangoDB, neo4j and FerretDB.
Dgraph is a low latency, high throughput, horizontally scalable and distributed graph database with ACID transactions.
Memgraph is an open source graph database built for real-time streaming and compatible with Neo4j. Whether you're a developer or a data scientist with interconnected data, Memgraph will get you the immediate actionable insights fast.

A scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster.