Couchbase NoSQL database Community Edition
Couchbase Server is a NoSQL document database with a distributed architecture for performance, scalability, and availability. It enables developers to build applications easier and faster by leveraging the power of SQL with the flexibility of JSON.
Iterate faster by leveraging a flexible data model and a powerful query language to write less code, avoid database changes.
Add features by extending the data model to nest or reference data, or by adding new indexes and queries on the same data.
Perform complex queries, with or without joins, and benefit from a built-in query editor and schema browser - no code required.
Migrate relational data and queries as is, continue to leverage enterprise BI and reporting tools with full support for SQL.
Integrate with Spark, Kafka, and Hadoop to enrich, distribute, and analyze operational data streams in real time.
Simplify mobile development by leveraging a cross-platform, embedded database with automatic synchronization to the cloud.
Scale easily, efficiently and reliably, from a few nodes to many, one data center to multiple, all with "push button" simplicity.
Build responsive applications and support millions of concurrent users by leveraging memory and asynchronous operations.
Maintain 24x365 uptime by enabling replication and automatic failover, and performing maintenance operations online.
Operate in multiple geographies to improve performance and availability by enabling cross data center replication.
Deploy, manage, and monitor deployments with an integrated admin UI and automated tasks optimized for large deployments.
Deploy in secure environments by enabling built-in auditing, role-based access control, and encrypted communications.
No cost for the open source community edition.
Web-based support: https://forums.couchbase.com/