Nmap is a free, open source utility for network exploration or security auditing.

Nmap 是一个用于网络检测或安全审计的免费开源工具。

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The second stage is to install Open Source utility called chntpw.

第二步是安装开源工具chntpw。

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Notifications are also reminiscent of Growl, an open-source alert utility that does much the same thing for many third-party Mac apps.

CNN: Review: Mac's Lion adventure continues

It ran at 90% of capacity in 2008, according to the Energy Information Administration, and Central Vermont Public Service says it's the most reliable source of power the utility has access to.

FORBES: Magazine Article

The EcoHub app works by pulling overall home energy usage data, provided by an energy data source, such as a utility or smart meter company.

ENGADGET: Chevy Volt EcoHub app tells drivers how little they pay to charge, goads them into staying green (video)