
Description: Amazon Neptune is a fast, reliable, fully managed graph database service that makes it easy to build and run applications that work with highly connected datasets. Neptune supports popular graph models like property graphs and W3C's RDF.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: JanusGraph is a scalable, distributed graph database optimized for storing and querying large graphs. It is an open source project under the Linux Foundation and supports storage backends like Cassandra and HBase.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API