Elasticsearch is a distributed, RESTful search and analytics engine capable of storing data and searching i...

Neo4j stores data in nodes connected by directed, typed relationships with properties on both, also known a...

Amazon Elasticsearch Service is a fully managed service that makes it easy for you to deploy, secure, and o...

Druid is a distributed, column-oriented, real-time analytics data store that is commonly used to power expl...

It is a scalable, highly available, and managed Apache Cassandra–compatible database service. With Amazon M...