When Apple overtook Microsoft in market capitalization earlier this year, it grabbed headlines. But when it comes to the enterprise technology world, Redmond, Wash., still rules the roost.

Case in point: Santa Barbara-based RightScale more than doubled its potential market on Aug. 17 just by rolling out compatibility with Windows Server software.

RightScale makes a cloud computing management platform. In the cloud, companies can fire up “virtual” computers and pay as they go for time and space on far-away server farms, instead of buying their own machines. RightScale makes a set of tools for developers that lets them easily spin up and wind down as many machines as they need as their Web traffic or demand dictates.

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