Mac OS X Softwares to Distributed Database

Couchbase is an open-source, distributed NoSQL cloud database that provides high-performance, flexibility, and scalability for modern applications, optimized for interactive systems requiring low latency and high throughput.

Apache Cassandra is a highly scalable, distributed NoSQL database designed to handle large amounts of data across many commodity servers, providing high availability without a single point of failure.

RethinkDB is a free and open-source, distributed document database designed for building real-time web applications.

ArangoDB is a highly scalable, multi-model NoSQL database that natively combines document, graph, and key/value data models in a single core. It supports ACID transactions across all data types and offers robust features for developers building complex, data-intensive applications.

Apache CouchDB is a schema-free NoSQL database built for reliability and scalability, particularly in offline-first applications. It emphasizes ease of use and fault tolerance by using a peer-based distribution model and a robust replication mechanism. Its HTTP-based API and JSON document format make it developer-friendly.