附加组件
要尝试这里成千上万的附加组件，下载 Mozilla Firefox，一个快速、自由的上网工具！
关闭
Mozilla Labs - Jetpack Prototype 0.8.2 需要重开
作者： Mozilla Labs
Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.
![[警告]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=b00ed3ed-652d8172)
权限
关于这个附加组件
This add-on is no longer under active development. Read the experiment report for what we learned from it and the blog post announcing the first SDK release for what we're up to next!
