1. The world's most popular open source database

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

  3. Simplify database management and automate the information lifecycle with maximum security.

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

    open-source

  5. Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

  6. SQLite Home Page

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

  8. A distributed open-source database with a flexible data model for documents, graphs, and key-values.

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

  10. Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & personal care, br…

  11. The open-source database for the realtime web

  12. Manage a massive range of data fast and without losing.