Yet sometimes the hype is justified, in particular in the case of open- source software, free programs developed by loosely knit groups of developers.

特别是由分散各地的开发者紧密结合在一起免费程序——开源软件。

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To be sure, the upfront cost of proprietary software is higher (although open-source programs are not always free).

肯定地说，专属软件的先期费用更高(尽管开放源码程序并不总是免费的)。

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You usually don't hear about these mini-programs, because they're not the sort of thing that you either build up into commercial software, or spend the effort tidying up to release as open source.

你也许听都没听过这些迷你程序，因为它们既不是用于商业用途的软件，也不是那些专门用于整理或释放资源的开源软件。

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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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Conversely, having realised that they can economise on resources and garner good ideas, proprietary software firms are increasingly taking a liking to open-source programs, albeit mostly at the edges of their offerings.

ECONOMIST: Open-source software in the recession: Born free | The

The open source movement is campaigning hard to persuade even the largest software companies, like Microsoft, to open up their programs and let everyone look for errors or security problems.

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