Couchbase is an open-source multi-model NoSQL document-oriented database software package that is optimized for interactive applications. Developed by Couchbase
License: Open Source
CouchBase offers a document-oriented approach with a focus on performance and flexibility, while Apache Cassandra is designed for high availability and scalability, making it more suitable for distributed systems. Both databases have their strengths, with CouchBase excelling in caching and search capabilities, and Cassandra in fault tolerance and linear scaling.