MongoDB is a source-available, cross-platform, document-oriented database program. Classified as a NoSQL database product, MongoDB utilizes JSON-like documents with optional schemas. MongoDB is developed by MongoDB Inc. and current versions are licensed under the Server Side Public License (SSPL). MongoDB is a member of the MACH Alliance.
MongoDB is an open source NoSQL document-oriented database. MongoDB allows flexible schema representation instead of relying on fixed tables and columns. It supports full indexing, query, aggregation, tunable consistency and durability levels, and linear horizontal scaling through sharding.