An XUL runtime included in Mozilla applications like Firefox runs these kinds of applications.

此类应用程序使用Mozilla应用程序(如Firefox)中包含的XUL的运行时运行。

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Warning: Mozilla Applications must be closed before synchronization or changes may be lost.

警告：同步前 Mozilla 软件必须要关闭，否则更改会丢失。

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We have had many user requests for integration with Mozilla applications such as Firefox and Thunderbird, so we're looking into that as well.

很多用户给我们发送了用户请求，希望Tasktop能够集成诸如Firefox、Thunderbird等的Mozilla应用，我们接下来会在这个方向进行开发。

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The Mozilla Marketplace enables developers to create and distribute applications that work across HTML5-enabled devices and operating systems (OS).

ENGADGET: Mozilla Labs Apps set to allow developer submissions for Mozilla Marketplace at MWC

Whether Microsoft co-opts Firefox's best ideas, or the Web browser continues gobbling up market share, we'll all be using Mozilla's best ideas to access those new applications soon.

FORBES: Why Firefox Matters

But instead of using Google's Gears, Jolicloud relies on Mozilla's Prism and Firefox to run various web-based applications.

ECONOMIST: Google goes in search of an instant operating system