What they do: Provides NoSQL database technology.
Headquarters: Mountain View, Calif.
CEO: Bob Wiederhold. He formerly served as chairman and CEO of Transitive, which was acquired by IBM in 2008.
Funding: Couchbase has raised a total of $56 million in funding from Adams Street Partners, Accel Partners, Mayfield Fund, North Bridge Venture Partners, Ignition Partners, and DoCoMo Capital.
Why they're on this list: The landscape for Big Data database technology is in flux. Hadoop and NoSQL seem to be the platforms most favor, although plenty of organizations are still betting on SQL.
Couchbase is placing its bet on NoSQL. The startup argues that its NoSQL document-oriented database technology provides the scalability and flexible data modeling needed for Big Data-scale projects. Couchbase also claims to offer the first NoSQL database for mobile devices.
Customers include AOL, Cisco, Concur, LinkedIn, Orbitz, Salesforce.com, Zynga, Amadeus, McGraw-Hill Education, and Nielsen.
Competitive Landscape: Competitors include MongoDB and DataStax.
Jeff Vance is a Santa Monica-based writer. He's the founder of Startup50, a site devoted to emerging tech startups. Follow him on Twitter @JWVance, or reach him by email at firstname.lastname@example.org.
Read more about software in Network World's Software section.