nosql-database
(3)
MongoDB
MongoDB escaped the rows-and-columns era by betting on flexible documents. Nearly two decades later, it is trying to become the memory, search engine and live data layer beneath the next generation of AI applications.
Aerospike
Aerospike built its reputation in the least forgiving corner of software: decisions that must be correct before the next millisecond arrives. Now the database specialist is turning that discipline toward AI, graph workloads and a managed cloud business.
Neo4j
Neo4j is the company behind the world's most widely deployed graph database. It stores data as nodes and relationships rather than rows and tables, which makes connections - the part most databases treat as an afterthought - the main event. Used by a large majority of the Fortune 100 and a community of more than 250,000 developers, Neo4j powers fraud detection, recommendation engines, supply-chain analysis, and, increasingly, the knowledge graphs that ground generative AI in real facts (GraphRAG).