The MySQL deal, which is slated to close in the first half of 2008, is a sign that Sun is pushing into more open-source software applications and could even enter the Linux market, the terrain of companies like Red Hat.

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The phone promises to fuse open-source software with Google's applications on a high-end handset.

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Black Duck's main offering, protexIP (IP, as in "intellectual property"), contains a library of open-source programs that software writers frequently incorporate into larger applications.

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OpenGamma, a startup which has so far received two rounds of funding from Accel Partners and FirstMark Capital, is creating a open-source-based platform for trading and risk analytics software to support front office applications.

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Every element of the XO's software is open-source and malleable: Its creators hope that kids in Mongolia and Peru will someday program their own applications for the devices and even modify its source code to improve its operating system.

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