快车（FlashGet；前称：JetCar、网际快车），是多线程及续传下载软件，作者是侯延堂。该软件声称比普通下载快6到10倍。

Windows：

Linux：

FlashGet (formerly JetCar, from the literal translation of the Chinese phrase 快车) is a freeware download manager for Microsoft Windows. It was originally available in either paid or ad-supported versions, the latter of which included an Internet Explorer Browser Helper Object (BHO).