10gen gets $6.5M from Sequoia for its web database software

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10gen, developer of the open-source software for databases called MongoDB, announced today that it has raised $6.5 million in its third round of funding from Sequoia Capital.

MongoDB is billed as a software set for managing large-scale databases for web sites. The software allows companies to manage their content and events, and also includes an analytics suite that tracks site usage.

Its users include a number of prominent startups like check-in service Foursquare and, which allows web surfers to shorten long links into more manageable lengths for micro-blogging.

The New York, N.Y.-based company launched MongoDB in 2007 and makes its money by providing commercial support for bigger businesses that employ the database software. It also manages the open-source community for the MongoDB software set that sees around 90,000 downloads each day.

Prior investors Flybridge Capital Partners and Union Square Ventures also participated in the most recent round of funding. That brings its total funding up to $11.4 million. Flybridge Capital Partners led an earlier round worth $3.4 million, and Union Square Ventures led 10gen’s first round with $1.5 million in funding.

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