1. The world's most popular open source database

  2. PostgreSQL is a powerful, open source object-relational database system.

  3. Microsoft Azure is an open, flexible, enterprise-grade cloud computing platform. Move faster, do more, and save money with IaaS + PaaS. Try for FREE.

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  5. Discover the world's #1 database and cloud database management products and solutions including the self-driving and fully automated Autonomous Database Cloud 18c.

  6. MongoDB (from "humongous") is a scalable, high-performance, open source NoSQL database.

    open-source

  7. Microsoft Access is a DBMS that combines the relational Microsoft Jet Database Engine with a graphical user interface.

  8. HTTP + JSON document database with Map Reduce views and peer-based replication

  9. IBM Db2 is database software that can reliably handle multiple workloads and the latest version of Db2 is optimized to provide extreme performance while lowering costs.