MySQL is the world's most popular open source database. With its proven performance, reliability and ease-of-use, MySQL has become the leading database choice for web-based applications, used by high profile web properties including Facebook, Twitter, YouTube, Yahoo! and many more.
MongoDB is the leading modern, general-purpose database platform, designed to unleash the power of software and data for developers and the applications they build. Headquartered in New York, MongoDB has more than 8,300 customers in over 100 countries. The MongoDB database platform has been downloaded over 45 million times and there have been more than one million MongoDB University registrations.
Clustrix is the leading scale out SQL database, engineered for the cloud. Clustrix provides a radically simple SQL database that enables applications to scale to unlimited users, transactions and data, while eliminating database sharding and automating fault tolerance. Clustrix software is in production both as an appliance and on Amazon Web Services with more than one trillion transactions per month running through Clustrix databases worldwide. Customers include Rakuten, CSC, Symantec, AOL, MakeMyTrip, Photobox, MedExpert, engage:BDR, AdScience, and Massive Media. Clustrix has its headquarters in San Francisco, with branch offices in Seattle and London.